A rare special edition leica summicron-m 35mm f/2 ver.4 7-element black canada 1913-1983 70 jahre bokeh of King. Almost mint condition. Made in Canada. Len only w front n back cap . Sn 3181982 dated 1982 fell correctly in the range of 3181201-3183200. Optics in almost mint condition .
https://chan.nds.hk/blog/?p=11065
https://m.mobile01.com/topicdetail.php?f=183&t=42058
https://www.kenrockwell.com/leica/35mm-f2-m.htm