Illinois State Ashtray 11½" circa 1958, unidentified glaze, photos courtesy Chlobella Fern Boutique on eBay

Top reads:  Illinois Land of Lincoln

Note: R-1892 and R-1892-S appear to be the same design and an example marked R-1892 is not known. However, while R-1892 is listed in a 1958 catalog, R-1892-S has not been found in a catalog.

Bottom reads:  © ROYAL HAEGER R1892-S U.S.A.