U.S. Used #324 2c Louisiana Purchase, Superb. Wave Cancel. A Gem
Grade Gem Duplex Used US Stamps (1901-Now) for sale
The Philatelic Collector's Series Sale by Spink and Son - Issuu
Numismatic Collectors Series Sale by Spink and Son - Issuu
US Stamps Values Scott 324: 2c 1904 Louisiana Purchase Exposition
Grade Gem Duplex Used US Stamps (1901-Now) for sale
Rare Stamps & Postal History of the World - September 17-18, 2019
XF (Extremely Fine) Used US Stamps (1901-Now) for sale
Grade Gem Duplex Used US Stamps (1901-Now) for sale
U.S. & Worldwide Stamps & Postal History - September 7-8, 2006
U.S. & Worldwide; Vladivistok Collection of Russia; A. Cronin