Scales; one balance beam from which two brass trays are suspended by string. A) balance beam; solid brass, three holes, one for string handle, two for hanging the scales on, 1g 14cm. B) scale tray; circular, slightly concave sheet brass, diam. 6 cm. C) scale tray; same as B, diam. 6 cm. Used for balancing gold dust against specific gold weights as part of the Ivory Coast gold dust currrency which thrived from the 1400s through 1800s.