Collectible coins, often referred to as numismatic coins, include various types such as commemorative coins, bullion coins, and historical currency. The United States has a rich history of coinage, with issues like the American Eagle series and commemorative coins celebrating significant events and figures. G20 coins may refer to specific numismatic issues related to the G20 summit or countries involved in the G20, often produced to commemorate the meeting. Collectors value these coins for their historical significance, rarity, and cultural representation.

Item Denomination Series Year Mint
1849 G$20 Mormon K-4 G$20 Mormon Gold Pieces 1849 Salt Lake City, Utah
1851 G$20 Baldwin K-5 G$20 Baldwin 1851 San Francisco
1852/1 G$20 Augustus Humbert K-9 G$20 U.S. Assay Office - Moffat-Humbert 1852 California
1852/1 G$20 Augustus Humbert K-9 G$20 U.S. Assay Office - Moffat-Humbert 1852 California
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
1853 G$20 U.S. Assay Office TWENTY D., 884 THOUS, K-17 G$20 United States Assay Office of Gold 1853 California
1853 G$20 U.S. Assay Office TWENTY D., 900 THOUS, K-18 G$20 United States Assay Office of Gold 1853 California
1854 G$20 Kellogg & Co. Short Arrows, K-1 G$20 Kellogg & Co. 1854 San Francisco
1854 G$20 Kellogg & Co. Short Arrows, K-1 G$20 Kellogg & Co. 1854 San Francisco
1855 G$20 Kellogg & Co. Long Arrows, K-3 G$20 Kellogg & Co. 1855 San Francisco
1855 G$20 Wass, Molitor & Co. Large Head, Second Reverse, K-8 G$20 Wass 1855 San Francisco
1860 G$20 Clark, Gruber & Co. K-4 G$20 Clark 1860 Denver, Colorado
1860 G$20 Clark, Gruber & Co. K-4 G$20 Clark 1860 Denver, Colorado
1861 G$20 Clark, Gruber & Co. K-8 G$20 Clark 1861 Denver, Colorado