Hello down in Nigeria Bob,

Are they marked with just a N below the lined out Underwood ?

NPM got receivers from Underwood, IBM and Inland.
Underwood IBM and the Inland receivers would have been lined out and the N stamped below the serial number.
US&S made receivers would have been marked National Postal Meter (US&S made these for NPM) then had a U stamped below serial number.

To be honest........... I'll have to look further in to it in the morning.... as far as dates for barrels.. and the split serial number blocks/sequence... etc.

Plus being in the UEF 2 mil serial block makes it harder to figure because of the way they put this 2 mil block on hold and started their 4 mil block, eventually work on both of these overlapped.
In this 2 mil serial block is where UEF had 4 different Sub contractors making receivers for them: T,B, W and S any of which marked near the heal.

Any sign of any of these other Underwood receiver sub contractors letter markings?


Cheers Buddy
Charlie