i have a 583.75 which has a retractable sling and a 4x scope.
The 583.75 and 583.82 had the sling. Teh 583.3100 did not and I don't presently ave data about the 583.76
http://www.histandard.info/PDF/Sears%20Rifles.pdf
Proofhouse.com has a store brand chart. When you find out who made it a value can be estimated.
EBay for 38.00
Your rifle is a Marlin Model 80. They were made from 1934 up thru 1969. No serial number indicates made before 1968. Early rifles had open sights, later had a rear peep sight.
Up to $100.
$175-$225.
JC Higgins sold over 50 different BB and pellet guns/rifles over the years. They were made by Crosman and Daisy. You need to give more information like the model number in order to identify the air gun.
The J C Higgins model 41 /103 19770 Was made by Marlin Firearms.1959 .103 is the Sears vendor code for Marlin .The model 41 is the same as the the Marlin Glenfield model 10. These are very nice little rifles that are well known for accuracy.
Try e-gunparts.com
No sn data available.
100-300 USD
marlin
50-200 US Dollars