Nimrod is really a sand carving instead of an etch. This example is on their Octagon ice tub. Design was found on many types of barware and serving pieces. It was produced from 1934 to 1944.
Information Resource: Encyclopedia of Heisey Glassware, Volume One, Etchings and Carvings by Louise W. Ream, Neila M. Bredehoft, and Thomas H. Bredehoft