Depends on the weight of the coin, but 1+ oz. can be as low as 1% above spot (bare gold price), where 1/20 oz. can be as high as 10% above spot. So 1-10% markup

Depends on the weight of the coin, but 1+ oz. can be as low as 1% above spot (bare gold price), where 1/20 oz. can be as high as 10% above spot. So 1-10% markup for most purposes