I stumbled across a Churchill Windsor I by Kassnar Imports, 12ga, 3", dbl. triggers, side-by-side, box lock, "Made in Spain" on the receiver actually a very nice gun for the money. Considering I paid $175 for it, and I can put a scratch or few on it with nary a worry, it has become by go to gun for upland game.
If you do a search on Google for Kassnar Imports, which used to be out of Harrisburg, Pa until about 1988-89, you will see lots of info, look for the one that has Blue Book Values, it will list what is in the book for Kassnar Shotguns.
The only thing that I do not like about it is that when you break the gun to unload it, you cannot pull out the spent shells unless you use something to rest the muzzle on to make sure the break is wide enough for loading and unloading. In other words, it does not break fully open without two hands or some other point of leverage on the muzzle.
The following link is for purchasing a blue book on Churchill guns:
https://store.bluebookinc.com/download/ ... eading=228
Category Model SubModel
RIFLES: BOLT ACTION HIGHLANDER
RIFLES: BOLT ACTION REGENT
RIFLES: SEMI-AUTO ROTARY 22
SHOTGUNS: O/U MONARCH * Monarch Turkey Gun
SHOTGUNS: O/U NEW WINDSOR IV
SHOTGUNS: O/U REGENT GRADE SHOTGUN/RIFLE COMBINATION
SHOTGUNS: O/U REGENT TRAP AND SKEET
SHOTGUNS: O/U REGENT V
SHOTGUNS: O/U SPORTING CLAYS MODEL
SHOTGUNS: O/U WINDSOR III
SHOTGUNS: O/U WINDSOR IV - DISC.
SHOTGUNS: SxS ROYAL
SHOTGUNS: SxS WINDSOR I
SHOTGUNS: SxS WINDSOR II
SHOTGUNS: SxS WINDSOR VI
SHOTGUNS: SEMI-AUTO REGENT GRADE
SHOTGUNS: SEMI-AUTO STANDARD MODEL * Turkey Model
SHOTGUNS: SEMI-AUTO WINDSOR GRADE
SHOTGUNS: SLIDE ACTION WINDSOR GRADE