Юпитер-9 #610718 [Zeiss Sonnar 85/2] Rangefinder / 2 rings
PT7560. Released by Arsenal (Ukraine) in 1957-1963. Front ring is totally black already, so it’s easy to recognize this version amongst other J-9 lenses. There’s no “No” prefix in serial number. 6-digits serial number, instead of 7-digits in other versions. Almost visually identical to PT7540. An earliest known lens has s/n #570091
» 1st of July 2020