The ashtray is finished in a uniform light blue semi-matte glaze. What makes this specific example unique is the extensive corporate marking on the reverse.
1959 Rookwood Pottery NAHHIC Advertising Ashtray
Antique 1929 ROOKWOOD POTTERY 2284 small matte pink art pottery vase 5 1/4"
1943 Rookwood Pottery Ashtray Champion Paper Advertiser
Rookwood Pottery Bunny Tree Tile Trivet White Grey 2011
2005 Rookwood Pottery Starkville Miss Advertising Counter Sign
Rookwood Pottery Queen City Pig Ornament 2019 Second
