Lancaster Antiques has dated this piece to the 1920s.
The bell measures 13cm in height and 13cm in diameter at the opening end. It weighs 0.8kgs and the thick, big loop at the top is approximately 4.5cm in diameter.

It has been polished but not lacquered, has a loud and pleasant ring, and is in very good condition.
Lancaster Antiques has dated this piece to the 1920s.
You can view the stock and full dealer information on the Lancaster Antiques Profile Page