Question about LC Smith shotgun ?
I have an LC Smith shotgun that I am wanting to sell.  I know that it was made by the Marlin Firearms Company between 1969 and 1973 and is a true "side-lock" double gun.  It is a 12 gauge and has 28 inch barrels.  Here is a photo of the shotgun....
http://www.gunbroker.com/Auction/ViewItem.asp?Item=120402363
I have the original box and all factory paperwork.  However, I can not find anything that tells me how this gun is choked!  (I've examined the gun, the factory manual and it does not say.)
Does anyone know how these 1969-73 US manufactured shotguns with 28 inch barrels were choked?  Thank you.