My Simson has much more information and it is all readable, but I cannot make out anything of value on your barrel flats.
If you can get a good clear picture of every surface with marks , stamps. or writing it may be possible to be of assistance.


NRA Patron, TSRA, Whittington Center, DWWC,DRSS
Reloading Ballistics App at http://www.xplat.net/