What is the age and value of a Sears Roebuck Co Model 101.100040 Series K 410 Shotgun?

The Sears Roebuck Co Model 101.100040 Series K 410 Shotgun was manufactured between the late 1960s and early 1970s. The value of this shotgun typically ranges from $200 to $400, depending on its condition and any unique features. Collectors often seek these models for their historical significance and craftsmanship. For a precise appraisal, it's best to consult a firearms expert or a reputable gun dealer.