It's a little embarrassing, but I do have a Bar-in-Wood 16 ga. Dickson hammergun, and not an island lock as I had incorrectly stated. There were only 7 made, from 1878 (mine) until 1886. My apologies for posting the wrong information, I hadn't looked at my hammerguns since last summer.

Hope you can open this link.


https://imgur.com/DMkpyG0