Coin Glossary

You can find most popular coin collecting phrases in this coin glossary.

Coin Glossary

U

unc or unk or UN - abbreviation for uncirculated.

uncirculated or un-circulated - a new condition coin that does not have any sign of wear. Marks on the coin that may come from the manufacturing process do not keep a coin from being un-circulated. (Example, bag marks.) Even the slightest amount of wear or cleaning will keep a coin from grading uncirculated.

upsetting mill - machine used in coin production to raise the rim on both sides of a blank (planchet).

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Coin Collecting News
10/16/2019
Libra's co-creator at Facebook touts progress after an exodus of key backers of the crypto coin
It will interact with other Libra-accepted platforms. "I would rather have all of these companies come with us," he added, saying that he understands companies have to respect shareholders who are ... more info

10/14/2019
Visa, Mastercard, Stripe Have Left Libra, but Facebook's Digital Coin Isn't Dead Yet
The Libra Association has lost its biggest and arguably most important founding members, but that isn't quite the nail in the coffin for the Facebook-led digital currency project. It's unlikely to ... more info

10/16/2019
This Is Us recap: The biggest moments for the Pearsons in 'Flip a Coin'
Let’s break down the roads each Pearson travels in “Flip a Coin.” “Flip a Coin” returns to the period immediately following Jack’s death for the first time this season, with Randall off to college and ... more info