In various countries, gold was used as a standard for monetary exchange, but this practice has been abandoned with the rise of fiat currency. The last country to back their money with gold was Switzerland, which backed 40% of its value until it joined the International Monetary Fund in 1999.

Gold American Eagle	Gold American Buffalo	Canadian Maple Leaf
South African Krugerrand	Vienna Philharmonic	Mexican Pesos
Gold Chinese Panda