VTG Brass scale/trebuchet with weights and built in stand

VTG Brass scale/trebuchet with weights and built in stand in a purple velvet case. Excellent condition, very well cared for. A weights included: 10 gram, 5 gram, x 2 prices of 2 gram, 1 gram, 200 milligrams, 100 milligrams, 50 milligrams, 20 mg, 5 mg, 1 mg. In perfect working order. Case shows some signs of wear, with some rubbing of the velvet o the top lid and some tarnishing on the case closures.