Button, Royal Naval Artillery Volunteer uniform: pattern post-1887 ?

Three buttons. Twisted rope edge. Within a smooth circular border on a lined background is a pre1901 crown with a fouled anchor underneath. On the left-hand side of the stock is the letter N, on the shank is the letter A and on the right-hand side of the stock is the letter V.

Object Details

ID: UNI6962
Collection: Uniforms
Type: Button
Display location: Not on display
Creator: Firmin & Sons Limited
Date made: After 1887?
People: Royal Naval Artillery Volunteers
Credit: National Maritime Museum, Greenwich, London
Measurements: Diameter: 23 mm; Diameter: 19; Diameter: 15 mm