jmGoldLÆThe total amount of gold that is possible to mine is unknown, but here is an estimate: https://www.gold.org/about-gold/gold-supply/gold-mining/how-much-gold-has-been-mined about 22% of gold unmined.
https://whatsonchain.com/tx/1d6fa62d61714aaa347ee9dab1c0da7faa37edafe66d136cbff983f162b5c861