Actually, I am inclined to beleive it is a Weimar police, or at least some of it is?
Does your luger have a sear safety such as this?

see the "bar" at the top of the picture

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Normal army magazines are a serial number and nothing and the spare is a serial number and a plus sign. Police are marked with a 1, 2 or a 3 (on rare occassions a I or a II). Sometimes holsters are marked with the serial number, but I have see it more with weimar police, but then that is what I collect.
Your complete rig sounds very nice!
Ed