Well the letter is right but I think you got the number wrong, never seen one that high before. No biggy the number does nothing anyways.

1968: 24S-E

24" barrel chambered for 22 long rifle, long and short.
410 good for 2 1/2 - 3" shells with a full choke.
Side lever breach opener.
Satin Black finish
Walnut finished hardwood sock and forearm with pistol grip
Sights: front ramp, rear: open w elevator, grooved for scope mounting
Weight 6 3/4 lbs

Anything else?