Check the listing for details. 1-2-5-10 Gram High Density Graphite Gold Bar Mold 4-Cavities - Silver Copper. Condition: New. Listed at 36.95 USD. Full to the top will give you a apx weight that size Gold Bar in each of all 4 cavities. Silver is not as heavy as Gold and pours about 1/2 the weight in each cavity when poured to the top. Each Mold has 4 cavities.