Prussia, Kingdom. An Imperial Patriotic Badge certificate_of_authenticity with both prongs fully intact

with both prongs fully intact on the reverse (without evidence of there having been a third)

The manual is dated to February 1941 (2nd edition) and intended for the Air Signals School in Halle an der Saale (Saxony-Anhalt)

one clasp: Lucknow

West Germany in 1972 and Montreal

Prussia, Kingdom. An Imperial Patriotic Badge certificate_of_authenticity with both prongs fully intact(Abzeichen). A badge constructed in the shape of a shield with a background of red enamel, at the centre is a white enamelled Iron Cross bordered in black enamel, surmounted by the Hohenzollern Crown of Wilhelm II, the reverse presents a horizontal pinback, unmarked, measuring 25 mm (w) x 40 mm (h0, and in extremely fine condition.