It is likely a piece of studio pottery or a collectible item.
Ceramic Studio Pottery Ashtray Plate Brown Glaze Mid-Century Modern 1970s
Vintage Geometric Hexagon Crystal Ashtray Signed Val St Lambert
Vintage Plymouth MCM Speckled Table Ashtray Ceramic Art Pottery~Brown Red Black
VINTAGE MID CENTURY GERMAN POTTERY ASHTRAY CERAMIC STUDIO
Vintage MCM Bright Ceramic California Pottery (1 chip) & 1 burgundy ashtray
VTG Brown Glaze Ceramic Pottery Ashtray Pipe Cigar Holder Swirling Pattern
