What is the age and value of a 20 gauge JCPenney model 6670 series c shotgun made by savage arms?

The JCPenney model 6670 series C shotgun, made by Savage Arms, was produced in the late 1960s to early 1970s. Its age would typically range from 50 to 60 years, depending on the exact production year. The value of such a shotgun can vary widely, generally ranging from $150 to $400, depending on its condition, rarity, and local market demand. For a precise valuation, it's best to consult a firearms expert or appraiser.