I'moffering Elmarit 2.8/90mm M39 Leitz Wetzlar, s/n 1658474 which datesthe lens to year 1959.Quiterare, screw mount (LTM/LSM/M39) version of a short tele lens by ErnstLeitz. Onlyca. 2000 were manufactured.Theglass is free of fungus, haze or scratches. HOWEVER: there'ssomething like miniscule dots on the front lens, only visible when looked atcertain angle with strong light. I did not find it affects image quality in any way though. Other thanthat it's an excellently preserved lens, wit...h small signs of useonly, ready for work. Aperture blades are dry, rings move smooth. Comes with bothcaps.