Russia, Soviet Union. A Civil “Ready for Defense” Cap Badge visually-hidden with a matte black face

with a matte black face bearing Arabic numerals 1-12

1917 at Spadina

with outer fastening device

including a Czechoslovakian Army Communications Personnel badge

and on board of UB-130 between late October 1918 and early January 1919

Russia, Soviet Union. A Civil “Ready for Defense” Cap Badge visually-hidden with a matte black faceConstructed of bronze with red enamels, consisting of a five pointed red enameled star, the obverse depicting a shield with dual hammers and a canister gas mask superimposed on the star, the reverse with one of the attachment prongs intact (the other broken off), unmarked, measuring 34. 3 mm (w) x 33. 4 mm (l), in fine condition.