Allan, any chance of a pic of the area from the flats to the forend lug? There appears to be some faint marks on the flats, other than the typical "D", but those may be scratches. Very interesting proof date of 12/1923 & it has a ledger number like those that passed thru the Zella-Mehlis proofhouse but the marks seem more Suhl than Zella-Mehlis. Maybe from September to December of 1923 they assigned a number monthly ledger number. Hopefully Axel will have some insight.
The name atop the tube is the firearms merchant.
Kind Regards,
Raimey
rse
