There were a few different models of 9 shot .22 revolver sold by Sears under the JC Higgins brand. Value would depend on exact model, but somewhere in the $200 range.
300 or so
50 dollars
50-400 usd
Impossible to answer without a DETAILED description of ALL markings on both weapons, condition of the "fired" one, finish, grips, boxes, papers, accessories, history and serial numbers.
About $300.
500 or so
Requires professional appraisal.
50-100 or so
50-550 USD or so
60 USD or so
Description is lacking. All original papers present? What shape are they in? What shape is the box in? What is the condition of the pistol? Just because its never been fired and is in the original box doesn't mean its in great shape. Price range from 300-1200 USD.
Up to 500 USD