This Nomenclature
was based on an improved, 1962's single-stroke Leica M3 black paint model
bearing S/N beyond 10599xx*. Other minor variations/features (esp. those
earlier production units) may exist. I have also provided a simple illustration of
a typical double stroke, early Leica M3 version at mid section for comparison (NOTE;-
there are combination of other features to confirm and/or for verification purposes
on version/model, even as minute as the design of the camera strap eyelet on both
sides (early DS M3 has triangular shape, later models has rounded ears, etc.). Please
also keep in mind that Leica offered Factory Conversion Services, such as double
stroke to single stroke, addition of a viewfinder frame pre-selector and even modified
cameras to accept Leicavit for auto film advance mechanism etc., and they were even
faked to make them look like rare variants by 3rd party technicians. Hard to be a
collector today, so traders with good experience, as well as highly rated trading
credibility & a little extra premium may seem justified at times.
* Note: S/N for Leica M3:- 700000~1164865.
Ref: Leica
Collectors Guide, by
DENNIS Laney.
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