This is a lovely Halley's comet brooch. It is gold, tested 9 ct, and the stones are paste. It also has it's original safety chain. This is circa 1835, and as most of you know, the people of this era celebrated the coming of Halley's Comet. Many people sported these collectible brooches. This one measures 1 inch East to West, and 5/8 of an inch North to South. The piece is in excellent condition and weighs 3.04 grams.