Nottinghamshire Special Constable enamel cap badge HIATT B'HAM

A good original King George VI 1936 - 1952 period 'Nottingham Special Constabulary cap badge'; large chromium plated example displaying blue enamel disc to the centre inscribed 'NOTTINGHAMSHIRE S C'; the reverse impressed with maker's details 'HIATT B'HAM'. Very good condition, complete with original slider fitting, no damage to the enamel.Height approx 50mm.