the two original ones with fold back tabs
presumably standing for “Zvonimir” and “Kolajna” (Kolajna krune kralja Zvonimira
representing the martyred nation of Serbia
date marked with a Gothic "H" (1843) and marked with the profile of Queen Victoria
the large one unmarked
Germany, Imperial. A Prussian Pilot’s Badge, C. 1917 Auction the two original ones with(Flugzeugfhrerabzeichen). Constructed of silvered brass, the obverse consisting of an oval laurel and oak leaf wreath, joined together at the bottom by a bow tie ribbon, topped by a German State Crown, around a central depiction of a monoplane flying over a rural landscape, the reverse with a crimped barrel hinge and vertical pinback meeting a round wire catch, unmarked, measuring 45. 66 mm (w) x 71. 40 mm (h), weighing 14. 6 grams, with minor