Used 1999 mewtwo gold card sold eBay prices are $46. The average price for “1999 mewtwo gold card” is $109 for new, sold eBay auctions. It’s composed of 95.8% gold and 4.2% alloy. 23k refers to the gold’s level of purity, and it means that your item is 23 karats out of a maximum of 24 karats.
23k gold is real gold with a high purity.
