Vintage Don pewter half pint tankerd by cooper brothers Sheffield  this collectible and elegant tankard is by renowned makers cooper brothers some age related wear 15 cm tall 8 cm round 
Cooper Brothers & Sons Ltd. was a prominent Sheffield-based manufacturer of silver and electroplated goods, founded in 1866 by brothers Thomas and John William Cooper. They initially operated from High Street, later moving to Bridge Street and eventually establishing their Don Plate Works on Arundel Street in 1885. The company became known for its high-quality cutlery, hollowware, and other silver and electroplated items, exporting to various markets. 
Founding and Early Years:
The firm was established in 1866 by Thomas and John William Cooper, who were sons of Joseph Cooper, a steel converter and melter. 
Initial Location:
The brothers initially operated from High Street, later moving to Bridge Street. 
Arundel Street and Don Plate Works:
In 1885, they acquired the Don Plate Works on Arundel Street, where they significantly expanded their operations and facilities. 
Manufacturing Focus:
Cooper Brothers & Sons manufactured a range of products, including electroplated forks, spoons, and hollowware in both German silver and solid silver. 
Growth and Expansion: By 1895, the company became a limited liability company and continued to grow, employing a substantial number of workers at their Arundel Street factory. 
1970s Merger:
In the 1970s, Cooper Brothers merged with Frank Cobb & Co. to become Cooper-Cobbs. 
Acquisition:
In 1983, the business was acquired by Frank Cobb & Co. Ltd.