WW2 Windsor Special Constable police reserve numbered badge

A scarce original Second World War period 'Special Constable chromium plated enamel home front badge', the centre depicting a representation of 'Windsor Castle' with heraldic shields either side; the reverse impressed with official very low issue number '17'. Very good condition, complete with original buttonhole fitting, no damage to the enamel.
Height 29mm.

Code: 63013