HaegerAshtrays.com
No. SP-8
Not found in a catalog, but looks like design R-1664 10½", Green Stipple glaze, photos taken in an antique shop by Sue Hoss
Circa is unknown, but design R-1664 appeared in catalogs 1956-1959 and Green Stipple glaze appeared in catalogs 1955-1957.
Top reads: Dri-gas, THE ALL-PURPOSE FUEL
Bottom reads: ROYAL HAEGER U.S.A. SP-8