Originally Posted by
DesertNomad
If I bring in $9999.99 in pennies, the value of the copper and zinc is not relevant... why should it be with gold? It is interesting that US customs has no consistent answer for this when you ask.
The difference is you actually acquired the penny for a penny.
The bottom line will be whether you acquired those $50 gold coins for $50. And, yes, Customs will demand proof if they find it.