So he wants to be paid with a gold coin, based on the price of gold, which only has a printed value of $50 on its face, but it worth $1900 based on the gold content. Either he wants to be paid for the $1900 dollar value, which means he’ll actually need to sell it to a gold broker at the actual going price and use that money to pay his bills, or we wants his pay to be made of the $50 gold coins, so lets say for example he earned $500, meaning 10 gold coins, which is $19k of gold by content.