The first pic may be a deal killer.
Original thread. Asking $800
http://www.doublegunshop.com/forums/ubbthreads.php?ubb=showflat&Number=256124#Post256124
left bore 4" from breech......745; 3" from muzzle .738; muzzle .694
.......OD 4" .920; OD 9" .825; 20" ..800
Right bore 4" from breech .740; 3" from muzzle .732; muzzle.696
....OD.....4" .916; 9" .830; 20" .798
I saw no pitting external or internal. The bores were shiney but not smooth; had like a ring pattern from one end to the other.
LOP 14 1/8...barrels 30"....1 7/8 dac...2 7/8 dah. 1 1/2 frame I believe