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This Paraguay stamp, #562, features a double overprint with one of the overprints being upside…
Inverted Overprint Paraguay Stamp (PA115) - Mint Never Hinged, Very Fine Quality
This unused block of 1901 US stamps features a rare plate # imprint and depicts a "Fast Train …
Fast Train Sheet Block - 1901 US Stamps
This rare US coin errors collection features an upside-down colorized JFK half dollar with the…
Upside Down Colorized JFK Half Dollar with Inverted Jenny 1918 Stamp Error
The Olympic Ring Mishap Stamp is a unique addition to any stamp collection. This stamp was pro…
Olympic Ring Mishap Stamp
This Irish Coin with Major Off-Center Double Striking - #O 775 is a rare find for collectors o…
Irish Coin with Major Off-Center Double Striking - #O775
This rare United States stamp features a black omission on two panes of four, making it a uniq…
Rare Find: United States Stamp with Black Omission on Two Panes
Introducing the Palestine 1920 Four Mils with Unique Errors stamp. This rare collectible bears…
Palestine 1920 Four Mils with Unique Errors
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