Just a quick update here too. I acquired both of these shotties today. I shot the Ithaca last week hunting grouse and it functioned just fine. Shoots a nice tight pattern. Great for grouse. This Ithaca was made in 1956 and I am amazed at how well it cleaned up. It has a 30" barrel. Even though it appears to have a steel receiver it is very light and carries well. It has a leather lace up "recoil pad"/butt protector on it. The only weird thing is that the trigger guard mounted safety works backwards compared to any other I've seen like it. I don't know if they made lefty versions of this gun but the safety is definitely configured to put in the fire position by pushing the pin from the left side of the trigger guard.
As for the Winchester Model 12 in 16 gauge; it cleaned up even better and did assemble properly. It appears in better shape than the Ithaca. The action has about 30% of the blueing left but the barrel is 95% with a few freckles and is 28" long. It was made in 1939. It too has the leather butt protector and came with the same type of half size leather gun case as the Parker I describe in the thread above. I am going to field test this one over the next few days. Other than the cost of shells I suspect it is going to make a heck of a grouse gun. It is heavier than the Ithaca, mainly in the action area. Both of these are going to be very difficult to part with, which was the original plan.