Mountain Elmar 6,3/105 and Elmar 4/90 SN 136 098a. Both lenses share the same serial number, except for the Elmar 4/90 the additional “a” engraving may mean angemeldet (patent applied for). Also interesting to note that the same serial number was used on two lenses of different models

by Bee Lau
HK$ 3,000
Archival Piagment Print on Inkjet Matt Photo Paper