Toradar Matchlock Markings Help

[doormatt]

Any help on the barrel markings would be great.
I have been told that the stamping could be Arsenal or Export markings.

[doormatt]

This stamping was on the left side of the butt stock

[doormatt]

This stamping was on the left side of the butt stock

Apparently Inventory and Arsenal markings

[doormatt]

The stock is dry.
Should I rub in BLO ?
thank you

doormatt