Another vintage leather jacket identification

[TommyM]

Hi again guys, I have another vintage motorcycle jacket for you experts to identify. The seller stated that it is from the 1940s and made of horsehide. Pictures are attached below and all inputs are appreciated.
Thanks all!

 

[tmitchell59]

Hi again guys, I have another vintage motorcycle jacket for you experts to identify. The seller stated that it is from the 1940s and made of horsehide. Pictures are attached below and all inputs are appreciated.
Thanks all!

I've seen this jacket with a Windy City label. The same Black and white lining. I assume it is a Blatt of Chicago jacket with the use of the spots. Yes, horsehide and late 40s early 50s. There may be more information as folks see this post. The leather is very nice quality.

 

[jchance]

Same jacket but without the three stud reinforcements. Lining looks original. Horsehide. Conmar zipper, 40s-50s.

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The followings may help, both with same yellow-black plaid lining. Possibility 1:

Possibility 2, note the full front pocket, not just a pocket flap:

 

[jchance]

mentioned in Rin Tanaka’s book on leather jackets (translation included):