The Model 20 was a 12 g pump made by High Standard- the Flite King-for Sears. Gent has a 20 g single shot. Different gun. Any other markings on it? And yes, JC Higgins was the Sears brand, just as Western Auto and Montgomery Ward had Revelation and Westernfield. Guns were made by Winchester, Marlin, Savage, Nobel, etc etc, but marked as JC Higgins. C&P for you on JC Higgins-
J.C. Higgins: 1908-1964
Many people ask if there was a real "J.C. Higgins" who worked for Sears. There certainly was. John Higgins began working for Sears in 1898 as the manager of the headquarters' office bookkeepers and retired as company comptroller in 1930.
"John Higgins" the employee became "J.C. Higgins" the brand name during a discussion in 1908 among Sears' executives of possible names for a new line of sporting goods. At this point, the story gets a bit murky, but Higgins' name was suggested and John Higgins consented to Sears use his name. Since he did not have a middle initial, Sears added the "C."
In 1908, the Western Sporting Goods Company in Chicago began putting J.C. Higgins on baseballs and baseball gloves sold in Sears catalogs. By 1910, the J.C. Higgins trademark was extended to cover footballs and basketballs. Later, the popularity of the Higgins brand—combined with the wider participation of American youth in sports—led Sears to place tennis equipment, soccer balls, volleyballs, boxing equipment and baseball uniforms in the J.C. Higgins line.
By the 1940s, J.C. Higgins represented all Sears fishing, boating and camping equipment. After the Second World War, Sears consolidated all sporting goods under the J.C. Higgins brand name and added it to a line of luggage.
The J.C. Higgins brand disappeared shortly after Sears introduced the Ted Williams brand of sporting and recreation goods in 1961.