Stamp Catalog
7 stamps found
CAM-5 First Flight 3-cent Carmine Error
United States · 1926
rare
24-cent Curtiss Jenny Invert (First Airmail Flight Cover)
United States · 1918
legendary~$500,000
Russian Empire 10k Nicholas II Inverted Center Error
Russian Empire · 1909
very rare~$1,000
Russia 1902 7 Rubles Tsar Nicholas II 'Open O' Plate Error
Russia · 1902
rare
Russian Empire 10 Kopeck Error Stamp
Russian Empire · 1902
rare
Russian Empire 10 Kopecks Nicholas II Error Stamp
Russian Empire · 1902
very rare
Russian Empire 7 Kopecks Alexander II Inverted Denomination Error
Russian Empire · 1879
very rare