A pair of 18th century English 54 bore flintlock pistols

A pair of 18th century English 54 bore flintlock pistols, three stage turn off barrels 3.25 in., private Birmingham view and proof marks, engraved box locks with 'SHARP' to one side and shell and scroll detail to the other, one piece grips inlaid with scrolling silver wire, silver grip caps marked for Charles Freeth Birmingham 1780. [2]