Old 100g Vintage beam balance

Old 100g Vintage beam balance (fine scale) with horn bowl from the middle 20th century; stamped (hallmarked) with Omega-sign; star, eagle (presumably Austria) and the numbers 1-1-957; weights 2x 200 mg, 1x 20 mg and 1x 10 mg; the box with the mirror is not original but included in the offer; traces of use according to age; measurement: 16,5 x 19 x 3,5 cm