An invoice, sometimes called a sales invoice, is a bill sent by a provider of a product or service to the purchaser. The invoice establishes an obligation on the part of the purchaser to pay, creating an account receivable.
The silver price is based in troy ounces and that means we need to multiply the metal price by .0321507466 to make the conversion to grams. 1. Calculate 90% silver value : (19.68 Ã .0321507466 Ã 12.5 Ã .90) = $7.1181752972. $7.1181 is the rounded silver value for the 1964 silver Kennedy half dollar on August 18, 2016. This is usually the value used by coin dealers when selling these coins at melt value. However, the total melt value is continued below.
As for local currency, the Aruban Florin is used, which currently is worth about 56 U.S. cents. Some shops will take the U.S. dollar, but you are probably better off exchanging some $ for florins when you arrive, as places do not universally take the dollar.