The shotgun in Photo A could be a W Richards. I had one like it once. What is the bird in A? I think I know what it is, but I might have some inside info.

Photo B is definitely a Colt Lightning. The shotgun looks a lot like a Winchester 97 to me, with the way the mag tube release is shown. But if it is, then the forearm has been worn or sanded down a lot. The face of the receiver looks like it is a takedown like my 97, but maybe the Marlin was similar. I haven't pulled out anything to compare yet.

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BrentD, (Professor - just for Stan)

[Linked Image from i.imgur.com]