Marks

[yamoon]

Please decipher these proof marks.
0.5gr N.G.P. M 71
1 BL
Thanks Mike

[Axel E]

Proofed for a Service löad of .5 gramm Neues Gewehr-Pulver M71 / 1 gramm Blei = 7.7 gr new rifle powder model 71 (a black powder standardised by the German military in 1871) and 15 gr lead bullet. Probably .22 long (not l.r.)

[yamoon]

Thanks Axel, the marks are on a Stözer Perfect target pistol.
Mike