1936 navy luger

[LU1900]

Hello alls ,
I write same post on luger.gunboards :
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I was just reading again the book from Don Hallock and Joop ,once more , every time I see something new !!
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So , on page 194 I see about navy the sn reported 5900y with N3763
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If reported , the gun is somewhere , If somebody know the owner : I have the second magazine since years in my collection , avaliable for him :
5900y+ and N3763x
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Thanks repeting the info anywhere