Guest,
You definitely get a value bonus for the trap configuration for the Model 12. But, I do need to have a good idea of the condition of the gun. Also the serial number would help.
Please read this post and get abck to me. I will be glad to help you.
http://www.gunvaluesboard.com/the-information-required-
to-estimate-your-gun-value-the-range-can-be-in-
thousands...-149.html
Thanks
2bit