The seller gave us his bore dimensions. I've been around the block with older double guns for fifty years. I have yet to see a ten gauge gun with .730 some bores, especially not a Lindner Golcher. I think I'm giving the gun a pretty good report by saying I'd like to own it. What more can I do? If a potential buyer is confident that a jug choked gun with ten gauge chambers and twelve gauge bores is as it was made, from the factory, let him bid on the gun and take it home. You're up.