Button, Coastguard uniform: pattern 1830 ?

One button. Smooth edge. On a smooth background is a pre1901 crown with an anchor underneath. A belt which circles the anchor until it joins upto the crown has COASTGUARD on it.

Object Details

ID: UNI6964
Collection: Uniforms
Type: Button
Display location: Not on display
Creator: Unknown
Date made: 1830
People: Coastguard
Credit: National Maritime Museum, Greenwich, London
Measurements: Diameter: 18 mm