What is the age and value of a 12 gauge JC Higgins Model 20 583-56 pump shotgun?

j.c.h. 20-12 #583.55 and 583.56 mfg. yr.

i don't know the value, but i checked into my gun it is a j.c. Higgins model 20-12 #583.55 and found it was made by high standard roll date was 11/29/48 and so was your 583.56..so we both own a 59 yr. old gun..hope that helps a litte.. go to the site histandard.info, and click on shotguns.. it will show you guns date of mfg...