Zorki-10 ...... 35 mm / Auto Exposure .......... lens : Industar-63 - 45 mm f.2.8
Body serial # 6514827 ....... Lens serial # : 0034533 ..... year : 1965
factory : KMZ / Krasnogorsk, USSR ..... production: 332,000 from 1964 to 1978
Notes: This camera has an original Cyrillic inscription, engraved on the back;

"To Colonel Maslennikov P.N. in memory of our joint military service in K.S.F."

The 'K.S.F.' was the esteemed Soviet Naval Fleet in the North Sea. The "K" is for 'Krasnoznamenny' (holding the Order of the Red Flag)!