San Francisco Mint Deputy Superintendent Paul Lewis describes the process of minting proof coins and what makes them unique.
Support the Coin Collectors Blog
Buy me a coffee
Buy Me a Coffee helps pay for the hosting of this blog.
Thank you for your support!
Thank you for your support!
Recent Blog Posts
- Weekly World Numismatic News for June 26, 2022 June 27, 2022
- LA28 Commemorative Coins Bills June 23, 2022
- Weekly World Numismatic News for June 19, 2022 on the 20th June 21, 2022
- Things That Make You Go Hmm… June 14, 2022
- Weekly World Numismatic News for June 12, 2022 June 13, 2022