Historical information

Troy ounces are slightly heavier than avoirdupois ounces that we commonly use. 1 troy ounce equals roughly 1 1/8 ounces and is used for the weighing of precious metals and gems. It is believed that the troy ounce dates back to the 16th century to the town of Troyes in Frances. This was a major trading centre for Europe and a standardised for of weights was needed. One troy ounce equalled 480 grains of barley.

Physical description

Four circular Troy weights - three have raised outer edge/lip with weight details imprinted in the centre. Large weight has the number 2 embossed in the middle. Second has the number 1.0 in the middle third has the number 1/2 in the middle. Fourth weight is solid and has a smaller inner circle. All appear to be made out of brass All taper down to smaller base.