yes.
Gold plating is real gold, but not solid gold. Whatever material is being plated (usually silver) is not gold so the item cannot be considered to be solid gold.
Gold plating a coin is legal but is considered an "altered" coin, and cannot be used or put into circulation.
Milligrams. The gold on them is worthless.
It is most likely worthless. Gold clad simply is a fancy word for gold plated. Even on a large object, the price to de-plate the piece is too expensive for the amount of gold you are going to recover.
Gold plate may appear greener but gold plate should be fairly pure gold and unaffected by honey (or most other materials).
Continentals became worthless because people came to believe that they would not be redeem their bills for gold and silver coins.
The stone is worthless. The gold is worth the going rate.
When it becomes clear that the worthless check was written WITH THE INTENT to defraud.
Gold plate is a layer of gold thinner than paper. Gold filled is made of gold, but hollow, and the hollow is filled with another metal. Gold filled has much more gold.
It can't be manufactured. once that is possible, it will be worthless anyway.
Alchemist