I suppose I'm probably one of the few that knows the answer... In order to pay $9 for One Ounce of Silver, we will need "One" 1/2 ounce $5 Silver Coin and "Two" 1/5 ounce $2 Silver Coins... In order to pay $90 for One Ounce of Gold, we will need "One" 1/2 ounce $50 Gold Coin and "Two" 1/5 ounce $20 Gold Coins...