Fixed it for ‘ya:


https://postimg.cc/gallery/nMn5LzY


Welcome back.

The English old gun guys will know more, but, it looks like it was bored as a 13 gauge and proofed for 1 1/4oz of shot, something I don’t recall seeing on an old English gun. The marks also tell you it is choked, but, not how much.

‘Whatchs you going to use it for?

Best,
Ted