This is a brass pocket self-raising steelyard type coin balance. The scale unfolds when the hinged lid of its mahogany box is fully opened. The coin is placed on the folding hanger, then the weights adjusted to fit the coin type. The original trade label, in fair condition, contains instruction of how to use the scales and also provides a table of current weights of the following Gold Coins: Guinea, Half Guinea, 7 shillings piece, Sovereign and Half Sovereign. The catch is in good working condition Size: 135 X 25 X 18 mm.