United Kingdom. A Lot of Three Whistles visually-hidden the obverse bearing a map

the obverse bearing a map of Europe and North Africa

marked “Schwerin

Korrespondenz)

the dance card

" In May 1917

United Kingdom. A Lot of Three Whistles visually-hidden the obverse bearing a mapA British Military Signal Whistle, in nickel plated brass, marked HUDSON & Co. BIRMINGHAM 1943 with broad arrow, measures 18 mm (w) x 82 mm (h), very fine. A British 1937 Whistle, in nickel plated brass, marked HUDSON & Co. BIRMINGHAM 1937, underneath impressed MADE IN ENGLAND, with keyring attached, very fine. An Acme Thunderer Whistle, in nickel plated brass, marked THE ACME THUNDERER UC, underneath impressed MADE IN ENGLAND, with key ring attached,