Watch List notes:

Circa 1851-1853. Brass Coin Scale for US AV denominations (219x41.5x17mm, ). Manufactured by I. Wilson, New London, CT. Machined brass rocker scale with additional weight to weigh and gauge contemporary US gold coins and protect against counterfeits . Newman-Mallis IV-1-6. As made. Includes original box with insert of instructions.

From the J. Eric Engstrom Collection.