Inherited 30 caliber Luger - Help with Markings and Origin

[Bill_in_VA]

Originally Posted by kdcarver

... Before I saw these replies, I had already dropped off the luger at the shop today. Both of the lead repairmen looked over it, and discussed with me that it takes a little work to properly clean the gun because of the tight tolerances and "swiss watch" mechanisms. I feel like it's probably in good hands.
...

What's in need of "refurbishment"? The gun looks fine and certainly does not need to be reblued. (And if you do reblue it you move the gun from being a nice honest collectible pistol to a shooter.)