Ivers Johnson has an Owl head on the top of the grip
this gun is a 16gauge pump mfg. by Stevens arms. would like some history on gun
Impossible to answer as asked.
The gun was made in 1922.
Get a copy of The Standard Catalog of Firearms from your library and look through the Iver Johnson listings.
You can try e-gunparts.com and gun shows.
with that s/n the gun was mfg in 1969, but if it has 37 in front of it then it was mfg 1973-74.
Good luck
This gun was made in 1968
You have a Ithaca Model 49 Saddle Gun which was mfg between 1962-1978.
Blue Book of Gun Values
Iver Johnson
YOUR GUN WAS MFG. 1958 TO 59