A set of 8 brass Troy ounce stacking standard weights, circa 1910.

5, 3, 2, 1, .5, .3, .2, and .1 TR OZ

Each with ER royal cipher, and number: 21.

The larger 4 weights marked: L C C (London County Council).

Diameter: 51 mm. (2 inches).

Height: 31 mm.