Mint stamp - Wikipedia

Champ Stamp - Official TF2 Wiki

Silhouette America, Silhouette Mint Custom Printer

File:The Soviet Union 1939 CPA 675 stamp (Monument).jpg - Wikipedia

Mint stamp - Wikipedia

File:Stamp US 1968 15c Holmes.jpg - Wikipedia

File:Graf Zeppelin stamp 65c 1930 issue.jpg - Wikipedia

1935 Irish 2d coil stamp - Wikipedia

ShopUi

File:Stamp Syria 1923 1.50pi on 30c.jpg - Wikipedia

Patina, From Wikipedia: Patina is a coating of various che…

File:Soho-mint-mark-cartwheel-2-.jpg - Wikipedia

File:SanFranciscoMintCommemorative.JPG - Wikipedia