[Alpenflage]

New one to me. It looks like CO with some small character in between.

 

[toshik]

Could you make a better picture - macro or close-up?

 

[Alpenflage]

That's as good as it get unless I decide to buy this one. The picture is from the site selling it and I've enhanced it to the best of my ability.

 

[grayfox]

CCCP: Mark of the Tula Arsenal, 1924 to 1928

 

[toshik]

CCCP: Mark of the Tula Arsenal, 1924 to 1928

Above the screw