The classic 'snail' whistle often seen hanging from the 1941 pattern Mae West or aircrew blouse. Chrome plated brass. Air Ministry King's crown markings and reference numbers '23/230' to one side with further reference numbers to other side '293/14/L1795'. Has some verdigris deposits and light pitting. Minor loss of plating. Surface corrosion of the split ring. Rope lanyard attached. Stock code MW18367.