Diamond Shaped Ashtray Cigarette Box Combo 12½" circa 1957-1958, Carnival glaze, photos from the collection of Allen Rothpearl

Note: R-1766-S, R-1766, and R-1766-S-H appear to be the same design and examples marked R-1766 and R-1766-S-H are not known. R-1766-S and R-1766 are listed in catalogs in 1958, and R-1766-S-H is listed in 1957.

Bottom reads:  USA © ROYAL HAEGER R1766-S