Glock Stamping Question

[obturator]

Can anyone tell me what these stampings symbolize?
Are they proofmarks?
This is a Glock 17 with a 3 digit serial number.

 

[dfariswheel]

Those are Austrian proof marks.

Looks like your slide was manufactured and proof tested in the Glock factory in Austria.

 

[obturator]

Thanks dfariswheel!
You are a much appreciated fountain of knowledge that I see on other forums and you are to be commended for donating so much of your time to answer questions in a way that could only come from a very experienced expert in the gun field.
Merry Christmas.

 

[Jim K]

FWIW, the NP indicates the Nitro (smokeless powder) proof and the "V" indicates the Vienna proof house. The eagle is the preliminary proof.

Jim

 

[obturator]

Thanks, Jim K.

Does having this stamp date this gun or make it more desireable, to anyone's knowledge?