Round Nesting Ashtray 7" circa 1963-1967, Green Stoneware glaze, photos courtesy Carkra-95 on eBay

Note 1:  184-F and 184 appear to be the same design and examples marked 184 are not known. 184-F is listed in catalogs 1963-1965 and 184 is listed 1966-1967.

Note 2:  184-F Round Nesting Ashtray 7" and 184-F Round Nesting Ashtray 9" are listed both individually and as a set, as are 184 and 183.

Bottom reads:  ROYAL Haeger USA 184 F