I'll try to answer all questions here:
The frame size is probably as 2 as indicated. What looks like a 7 is probably a 2 with the bottom of the stamping missing.

Originality of the forend:
Here is a picture of a typical Parker beavertail forend: I have Not noticed any real variance in the shape in other examples I've look at.


Here is a side view of the one on this gun: Notice there is a distinct variance.


Notice the distinct difference in the shaping at the back and sides..

The upper tang is marked for a safety. However the slot for the safety has been closed with an unknown material. I have not disassembled the gun to determine if anything has been done internally regarding the safety.
If I were to buy it to keep I'd get a butt transplant and get the safety made operable again.
Please let me know if there are any other questions or need for additional pictures.
If anyone is interested in buying this gun for $3000 which is the owners asking price PM me and we'll go from there. I'll also pay Dave his due of course.
Jim

Last edited by James M; 10/09/16 01:29 PM.

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