Hi Norm,
I have seen Navy mags in many, many different configurations and markings. Amnong them are:
a. Concentric ring, no other markings
b. Concentric Ring serial numbered large numbers lengthwise on the plug, both with and w/o Crown M
c. Concentric ring serial numbered across the plug,both with and w/o Crown M
d. Both b and c above with property mumbers on spine
e. Concentric ring marked 9mm
f. Concentric ring marked "Germany"
g. Plain ring, serial numbered large numbers lengthwise, with and w/o Crown M
h. Plain ring, serial numbered small numbers, with and without Crown M
i. As h above with property numbers on spine
j. Plain ring, property number ONLY on plug
k. Plain ring, Crown M, 7.65 on plug
Weimar Navy guns sport almost every configuration you can imagine. My Kreigsmarine guns have other peculiarities, but most have SN and property number on aluminum base.
Tom A
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