Russia, Imperial. An Early 1912 Air Force Donation Jetton certificate_of_authenticity which at the time (1938)

which at the time (1938) was threatened to be invaded and occupied by Nazi Germany

80 mm (l) x 60

later changed to Mrs

1939 - A rare and very clear signature in blue ink

In September 1932

Russia, Imperial. An Early 1912 Air Force Donation Jetton certificate_of_authenticity which at the time (1938)Constructed of silver with enamels, on loop for suspension, the obverse consisting of an oval laurel leaf wreath, joined together at the bottom by a blue enameled ribbon bearing a silvered Russian Cyrillic inscription, overlaid by a silver monoplane, the reverse bearing a silver kokoshnik mark of 84 for 875 purity, with a silversmith mark of , measuring 22. 77 mm (w) x 34. 23 mm (h), weighing 9. 8 grams, with some wear evident to the enamels, in near