National Postal Meter

[John Gelotti]

Is this a possibble original ww2 combination: receiver National Postal Meter with a I.B.M. marked barrel?
Thanks

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[usgicollector]

Yes, but it will need the proper proof marks.
Dave

[DaveHH]

Large numbers of NPM were using IBM Corp barrels at the end of production, spring 1944.
Look for punch mark near P a few inches down from "IBM Corp"