The main body is stamped with the makers mark of "J. HUDSON & CO" over "BIRMINGHAM" over the date of "1916". The cap is also marked with "PATENT 5727-08".
Original ~ Metropolitan Whistle ~ 1916 ~ Hudson & Co ~ Birmingham ~ Military ~
WW1 & WW2 Whistle Box for 'Metropolitan' type Infantry or Air Force Whistle ACME
Infantry Officers Whistle - WW1 Trench Soldier British W↑D No.15 Metropolitan
No. 15 Metropolitan Infantry Officers Whistle-Dated 1916 - Reproduction
No. 15 Metropolitan Infantry Officers Whistle-Dated 1916
ORIGINAL WW1 1917 TRENCH WHISTLE ON CHAIN, J HUDSON BRITISH ARMY OFFICERS WWI
