The Silver Squirrel has dated this piece to the 1930s.
The idea is to both drink the contents at the same time without spilling a drop. They were later used as a wager cup that the end of the 19th century. It is in superb condition being free from dings splits and repairs. It measures approx. 5 inches (15.2cm) tall by 2 inches (4.9cm) across the larger cup and 1.5 inches (4.1 cm) across the smaller one and weighs 112 grams. A nice clean useable piece.
The Silver Squirrel has dated this piece to the 1930s.
You can view the stock and full dealer information on the The Silver Squirrel Profile Page