VTG Shimano Dura Ace Double Crankset 52/39 170mm Arms First Generation

Shimano  Dura Ace Double  Crankset  Shimano Dura Ace crankset, 52/39 chainrings, 170mm arms. This is the first generation GA-100 version. Shimano started adding date codes on their cranksets in 1974, this one has no code, so I believe it is pre-1974, but I could be mistaken. This item has original dust caps and original chain guard. Both of these parts are hard to find, as people tended to remove them back in the day.
I have been collecting vintage bicycles for almost 50 years now (I started with them when they were new, I just didn't move on to the modern stuff). As you can imagine, I have acquired a lot of spare parts over the years. I am now retired and its time to move some of it on to someone who can use and benefit from them. I am not expert but have a passion for the restoration of old bicycles.
I have been selling on eBay for almost 20 years now (January of 2000). I am a retired engineer and pride myself on careful yet efficient packing. My feedback goes back to the beginning, not many sellers can say that. I also buy stuff (like I need more)...
Thanks for looking at my auction,
Bill
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