Members
170 specimens · 218 documented public auction sales · $202,169,595 in total documented sales
Additional Items
Inducted specimens whose photographs are still being sourced. Listed for completeness; visual cards will appear as photographs are added.
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1897 · 1897 China Red Revenue Small One Dollar · The Block of 4 - crown jewel
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1867 · 1867 US 1c Benjamin Franklin Z-Grill (Scott 85A) - 2024 Gross sale · The Zoellner/Sundman/Gross copy
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1867 · 1867 US 15c Z-Grill · The Gross copy (ex-Zoellner 1998)
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1867 · 1867 US 15c Lincoln Z-Grill (Scott 85F) - Gross copy · The Gross copy (ex-Zoellner 1998) - CONFIRMED same as existing CSV row
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1935 · 1935 Russia 1935 Levanevsky Inverted Overprint (Roosevelt Block) · The Roosevelt Block
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1859 · 1859 Sicilian Error of Color (1/2 grano blue) · Bolaffi/Dreyfus specimen
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1855 · 1855 Treskilling Yellow · The Unique Example
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1918 · 1918 Inverted Jenny Single · Position 49
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1918 · 1918 Inverted Jenny Centerline Block of Four (positions 45-46-55-56) · Unique Centerline Block of Four (positions 45-46-55-56)
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1867 · 1867 US 15c Lincoln Z-Grill (Scott 85F) - New Amsterdam copy · New Amsterdam Collection copy - one of two known
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1918 · 1918 Inverted Jenny Single · Position 49 (never-hinged rediscovery)
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1908 · 1908 US 2c Washington Vertical Coil (Scott 321) - Siegel 2021 · Pair - one of four known unused pairs
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1918 · 1918 Inverted Jenny Single · Position 95
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1869 · 1869 US 1869 24c Columbus Invert (Scott 120a) - finest unused · Ex-Schaefer Collection finest unused 24c Invert
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1908 · 1908 US 2c Vertical Coil (Scott 321) · The Gross pair (ex-Brody 2002)
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1908 · 1908 US 2c Washington Vertical Coil (Scott 321) - Gross pair - June 2024 · The Gross pair (ex-Brody 2002 / New Amsterdam 2019)
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1867 · 1867 US 10c Washington Z-Grill (Scott 85D) - New Amsterdam copy · New Amsterdam Collection finest copy
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1918 · 1918 Inverted Jenny Single · Unspecified position
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1867 · 1867 US 1c Franklin Z-Grill (Scott 85A) - second copy · The Zoellner copy - second known 1c Z-Grill
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1897 · 1897 China 10c on 9 Candareen Surcharge · Single inverted surcharge
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1897 · 1897 China Red Revenue Small One Dollar · Single Small One Dollar
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1901 · 1901 US Pan-American 2c Invert Block of 4 (Scott 295a) - Whitman · Block of four from Whitman Collection - largest recorded multiple
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1867 · 1867 US 3c Washington B-Grill (Scott 83) - Perry Hansen · Ex-Perry Hansen Collection finest
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1864 · 1864 Penny Red Plate 77 · The 'PI' example on cover - finest in private hands
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1918 · 1918 Inverted Jenny Single - Position 84 · Position 84 - Heritage November 2007
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1862 · 1862 Hong Kong 96c Olive-Bistre Block of 4 · Block of four
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1908 · 1908 US 2c Washington Vertical Coil (Scott 321) - New Amsterdam pair · New Amsterdam Collection pair (ex-Brody 2002)
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1931 · 1931 China Inverted Sun Yat-sen · Pair specimen
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1897 · 1897 China 10c on 9 Candareen Surcharge · Single mint
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1857 · 1857 Russia Tiflis City Post 6k · Mikulski/Feldman copy
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1867 · 1867 US 3c B-Grill (Scott 83) - New Amsterdam 2019 · New Amsterdam Collection 3c B-Grill
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1867 · 1867 US 3c Washington B-Grill (Scott 83) - Siegel 2015 · One of four known B-Grills - ex 2015 sale
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1867 · 1867 US 3c B-Grill (Scott 83) - Siegel 2015 · 3c B-Grill - Siegel June 2015
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1869 · 1869 US 1869 24c Columbus Invert (Scott 120a) - 2001 Pan American Block · Block of 4 - William H. Gross Collection
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2001 · 2001 Germany Audrey Hepburn Error · Mint pane of 10 (Ferrer charity sale)
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1918 · 1918 Inverted Jenny Single - ex-Safra Collection · Ex-J.E. Safra Collection single
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1935 · 1935 Russia 1935 Levanevsky Inverted Overprint · Single stamp with inverted overprint
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1918 · 1918 Inverted Jenny Single - Spink 2019 · Position 39 - Spink New York September 2019
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1862 · 1862 Hong Kong 96c Olive-Bistre Block of 4 · Block of four - Burghard/Ishikawa/Chan provenance
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1857 · 1857 Russia Tiflis City Post 6k · Mikulski copy
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1918 · 1918 Inverted Jenny Single · Position 69 (ex-Gross via Hall)
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1918 · 1918 Inverted Jenny Single - Position 1 · Position 1 (corner of sheet) - ex-Peterson Collection
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1918 · 1918 Inverted Jenny Single - Position 21 · Position 21 - Siegel June 2008
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1918 · 1918 Inverted Jenny Single - Position 69 (ex-Hall/Gross) · Position 69 (ex-Hall/Gross) - in existing CSV
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1867 · 1867 US 10c Washington Z-Grill (Scott 85D) · Ex-Brookman/Schilling copy - offered 2015 Siegel
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1918 · 1918 Inverted Jenny Single - Position 100 · Position 100 - ex-Eno/Oriol/Butzel/Weinberg
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1918 · 1918 Inverted Jenny Single - Position 76 (McCoy Block) · Position 76 - McCoy Block (stolen 1955 - recovered Northern Ireland 2016)
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1918 · 1918 Inverted Jenny Single - Position 15 · Position 15 - Siegel June 2018
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1867 · 1867 US 10c Washington Z-Grill (Scott 85D) · Ex-Herzog/Zoellner copy - offered 2012 Siegel
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1867 · 1867 US 30c Franklin A-Grill (Scott 81 or 82) - Siegel 2015 · Ex collection - Siegel June 2015 Sale 1106 Lot 3101
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1867 · 1867 US 5c Jefferson A-Grill Dark Brown (Scott 80a) · Ex-Duveen/Hind/Isleham/Zoellner copy - one of 4 known
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1867 · 1867 US 5c Jefferson A-Grill (Scott 80) - Siegel 2012 sale · Brown shade A-Grill - one of 4 known - Siegel 2012
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1918 · 1918 Inverted Jenny Single - Position 89 · Position 89 - Matthew Bennett May 2014
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1857 · 1857 Russia Tiflis City Post 6k · New Zealand Oppens Album discovery
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2001 · 2001 Germany Audrey Hepburn Error · Used copy #3 (Dusseldorf/Bennewirtz)
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1867 · 1867 US 5c Jefferson A-Grill Dark Brown (Scott 80a) · Ex-Ishikawa copy (W.H.C. Colson backstamp)
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1901 · 1901 US Pan-American 4c Invert full set 3 singles - Siegel April 2009 · Full set of three Pan-American Invert singles - Whitman
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1901 · 1901 US Pan-American 2c Invert (Scott 295a) - Hanover PSE 98 · Hanover Collection PSE 98 Superb - finest known
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1867 · 1867 US 30c Franklin A-Grill (Scott 82) · New Amsterdam Collection 30c A-Grill
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1918 · 1918 Inverted Jenny - McCoy Block Position 65 · Position 65 - McCoy Block (stolen 1955 - APRL sold 1981)
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1861 · 1861 Confederate States Postmaster's Provisional (rare) - Gaertner 2016 · Rare Confederate Postmaster's Provisional - World Stamp Show NY
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2001 · 2001 Germany Audrey Hepburn Error · Used copy #4 (Boche kiloware find)
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1918 · 1918 Inverted Jenny Single - Position 100 - Bennett 2004 · Position 100 - Bennett February 2004
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1901 · 1901 US Pan-American 1c Invert on cover (Scott 294a) · Bessemer Alabama cover - 1c Pan-American Invert on cover
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1901 · 1901 US Pan-American 2c Invert (Scott 295a) - Hoffman/Drucker OG · Ex-Hoffman/Drucker finest OG 2c Pan-American Invert
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2001 · 2001 Germany Audrey Hepburn Error · Used copy #5
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2001 · 2001 Germany Audrey Hepburn Error · Used copy #2 (Frankfurt find)
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1869 · 1869 US 1869 Pictorial 15c Columbus Landing (Scott 118) - Block of 4 OG · Finest OG block of 4 Scott 118 - Eubanks
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1869 · 1869 US 1869 24c Columbus Invert (Scott 120a) - on cover · The only recorded 1869 24c invert on cover
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1979 · 1979 CIA Invert (Scott 1610c) - block of 4 - second sale · CIA Invert block of four - 2015 sale
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1918 · 1918 Inverted Jenny Single - Position 100 - early sale 1982 · Position 100 - Siegel November 1982
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2001 · 2001 Germany Audrey Hepburn Error · Used copy #1 (Bavaria find)
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1979 · 1979 CIA Invert (Scott 1610c) - block of 4 · CIA Invert block of four - first sale
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1857 · 1857 US 30c Franklin Orange (Scott 38) - finest unused 1857 · Finest unused 30c Franklin 1857 issue - Siegel
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1901 · 1901 US Pan-American 2c Invert (Scott 295a) - finest OG EF · Ex-Gorham/Siegel finest OG 2c Pan-American Invert
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1901 · 1901 US Pan-American 2c Invert (Scott 295a) - used finest · Finest-appearing used 2c Pan-American Invert
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1930 · 1930 Graf Zeppelin $1.30 single PSE Gem 100 (Scott C15) · Graf Zeppelin $1.30 PSE Gem 100 - finest certified
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1930 · 1930 Graf Zeppelin Complete Set (Scott C13-C15) - finest NH · Graf Zeppelin Complete Set C13-C15 finest NH
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1867 · 1867 US 1867 E-Grill 1c Franklin (Scott 86) - PSE 98 · Finest graded 1c E-Grill
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1851 · 1851 US 2c Franklin Blue Printed on Both Sides (Scott 8a) - error · Scott 8a double-print error - Siegel
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1908 · 1908 US 4c Small Bank Note Invert (Scott 346 variety) - experimental coil · Scott 346 experimental coil - Siegel
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1901 · 1901 US Pan-American 1c Invert (Scott 294a) - Siegel finest · Finest sound used 1c Pan-American Invert
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1861 · 1861 Confederate States Baton Rouge 5c provisional on cover (Scott 5XU2) · Baton Rouge Postmaster's Provisional on cover - New Orleans cancel
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1901 · 1901 US Pan-American 1c Invert (Scott 294a) - finest sound used · Finest sound used 1c Pan-American Invert - Siegel 2012
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1979 · 1979 CIA Invert (Scott 1610c) - single · CIA Invert single - typical auction
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1859 · 1859 Sicilian Error of Color (1/2 grano blue) · Bolaffi specimen
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1893 · 1893 US Columbian $3 Discovery of America (Scott 243) · OG $3 Columbian - brilliant color - Siegel
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1857 · 1857 Russia Tiflis City Post 6k · Second/third copy
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1857 · 1857 Russia Tiflis City Post 6k · Stubbe / Davidson copy
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1857 · 1857 Russia Tiflis City Post 6k · Agafon Faberge / Mikulski copy
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1893 · 1893 US $5 Columbian Exposition (Scott 245) - finest NH · Finest Mint NH $5 Columbian - ex-Odeneal - PSE 95
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1893 · 1893 US $4 Columbian Exposition (Scott 244) - finest NH · Finest NH $4 Columbian - PSE 95
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1994 · 1994 Legends of the West Recalled Error Sheet (Scott 2870) · Recalled Legends of the West error sheet
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1893 · 1893 US $1 Columbian (Scott 241) - finest NH · Finest NH $1 Columbian - Superb example
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1893 · 1893 US $5 Columbian Exposition (Scott 245) - EF OG fine · Extremely Fine OG $5 Columbian