How do you cash in gold at treasury or mint?

To cash in gold at a treasury or mint, you typically need to take your gold items, such as coins or bullion, to a designated location or facility that handles precious metals. You may need to provide proof of ownership and identification. The facility will evaluate the gold's weight and purity, then offer a price based on current market rates. If you agree to the price, you will receive payment in cash or through another agreed-upon method.