A Victorian silver artist's badge

A Victorian silver artist's badge, by Rawlings and Summers, London 1851, modelled as an artist's palette, inscribed, 'Reward of merit presented to Mr John Watson for his studious attention and progress in drawing at Mr. Murrays, Wimbledon Common, June 1851, John Whichelo, Professor of Drawing', the reverse monogrammed within a laurel leaf surround, length 5.7cm, approx. weight 0.5oz.