WW2 Royal Navy RN Petty Officer's Bullion Cap Badge, King's Crown

Removed from cap. A padded bullion wire example with embroidered crown and silver plated metal fouled anchor to centre, on black wool background. Hessian backed with strengthening bar. In good worn condition. Central jewel below crown is blue. They were worn with blue central jewels from 1920 onwards.Comm MaWi (23)