Collectible coins encompass a variety of types, including historical coins, commemorative issues, and bullion coins. The G 20 coin from the U.S. Assay Office Moffat & Co. is a notable example, minted in San Francisco in 1853. This coin, part of the early American gold rush era, reflects the craftsmanship and economic significance of the time. It is valuable not only for its metal content but also for its historical context and rarity among collectors.

Item Denomination Series Year Mint
1853 G$20 Moffat & Co. K-19 G$20 U.S. Assay Office - Moffat & Co. 1853 San Francisco
1853 G$20 Moffat & Co. K-19 G$20 U.S. Assay Office - Moffat & Co. 1853 San Francisco