Rectangular Ashtray 12" circa 1957-1961, Ebony Cascade glaze, photos from the collection of Troy LaFollette

Note: R-1714, R-1714-S, and R-1714-S-G appear to be the same design and examples marked R-1714 and R-1714-S-G are not known. R-1714 is listed in a 1959 catalog, R-1714-S is listed 1957-1961, and R-1714-S-G is listed 1958.

Bottom reads:  ROYAL HAEGER R 1714 S USA