Coin Terminology and Glossary
The Coin Collecting Dictionary includes 546 titles used widely in the coin
collectors community, and has received over 1076157 search inquires.
- Selected title:
Breen letter
- Explanation: A document, usually one page, written or typed by Walter Breen giving his opinion on a particular numismatic item. Before certification, this was the usual method employed by collectors and dealers desiring to sell an esoteric item such as a branch-mint Proof, early Proof, and so on
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