My First American "Classic" Ithaca NID 4E

[Stan Hoover]

That is a unique 2 barrel set for sure, I don’t recall ever seeing another Ithaca 12 gauge with factory 24” barrels.
I’ve seen a 20 gauge and 28 gauges with 24” barrels.

The trigger guard would have had 1 screw which was in the middle of the serial number on the graded NID’s.

[Frank Good]

AS you can clearly see the trigger guard on this one is much longer than the pics you posted and it is the original trigger guard. I have seen pics of a few identical to mine as well and it has two screws to your one. I am guessing due to this gun having been made new with a Prince Of Wales grip as opposed to the standard tight curled pistol grip. It may also explain why the screw goes through the serial#. Maybe the engraving was completed prior to securing the trigger guard to the stock? I am going to contact Chris at Stillwater and ask a few questions. He specializes in restoring antique American SxS's and has a wealth of knowledge.