Mint stamp
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![A mint high value 100 Rupee key type stamp of Ceylon valid for postage or revenue use and vulnerable to tampering to remove a fiscal cancel to make it appear to be a more valuable unused stamp.](/Images/godic/202501/27/Ceylon_100R_stamp3844.jpg")
In philately, a mint stamp is a stamp which is in its original state of issue, is unused, has never been mounted and has full gum, if issued with gum. The term applies equally to postage stamps and revenue stamps.
In practice, the term is used within philately to refer to any stamp that appears to be unused, including those without gum, or previously hinged.