An early 20th century emerald, ruby, sapphire and diamond playing cards brooch

An early 20th century emerald, ruby, sapphire and diamond playing cards brooch, circa 1900, designed as two cards with a spade and a club set with circular and oval cut sapphires and rubies, and old cut diamonds, with a pin set with a cushion shaped emerald, maker's mark AB & Co., 4cm wide, 12g gross

Condition Report:
There are light scratches and scuffs to the gold as expected from age and use. The stones are in good condition with little surface wear. No signs of damage or repair to the mount.