Illustrated history of the United States mint / with a complete description of American coinage, from the earliest period to the present time

by Unknown

U. S. Mint Test for Gold and Silver.

The following is a test for determining whether coin is good or bad. Use the liquids as near the edge of suspected coin as possible, as that is the part most worn. A drop of the preparation will have no effect on genuine coin, while it can be plainly seen on the counterfeit. Coins should be scraped slightly before using: