A Flintlock Cannon Lock. With shaped brass body of two plates held together by side-nails, the outer plate stamped with what appears to be a viewers mark, ‘G’ and ‘S3’ steel frizen and steel ring-neck cock released by a ring-lever pierced for a cord.
Notes:
For another similar example see H.L. Blackmore, The Armouries of the Tower of London, I Ordnance, 1976, p. 181 No. 264, pl. 76
Dimensions:
Length: 18.5 cm
Height: 10 cm