Regarding the forward gold sale - it's just a contract to sell a...

Regarding the forward gold sale - it's just a contract to sell a certain amount of gold, at a certain time, for a certain price. The source of the gold wouldn't actually matter. If BCD couldn't fulfil the forward sales agreement, they would be liable to pay a penalty (presumably), but no-one else would have a claim to the gold from Lorena as a consequence. Also depending on the way the gold price moved between the date the forward sale contract was signed and when it was to be delivered, it could be that BCD could buy gold on the open market and sell it into the contract for a profit! Remember that the BCD Chairman is a gold trader by profession...