Proof coinage

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At a glance

Class

Notion

Domain

Science and technology

In collections

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What Wikipedia says

Proof coinage refers to special early samples of a coin issue, historically made for checking the dies (as in demonstrating that something is true) and for archival purposes. In modern times, proofs are often struck in greater numbers, especially for coin collectors (numismatists).

Excerpt from the Wikipedia article “Proof coinage”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: cgb.fr, CC BY-SA 3.0, via Wikimedia Commons.