6500.00 Amazing Antique Cased Engraved Beaumont Adams Revolver in .442 Calibre London Apr 20, 2024 - 10:56 AM BWCanada This is a fantastic condition all-complete early engraved Beaumont Adams set in its original case. Manufactured by Deane, Adams, and Dean, this is so early that it has its Beaumont patent number on the right hand side of the frame.