The white spot on the bottom edge in the pictures appears to be a small missed spot of glaze, not a chip.
Vintage Maurice of California Ashtray USA 14" Blue & Green Glaze
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Vintage Cream-Color Ceramic Shallow Leaf-Shaped Planter by Maurice of California
Vintage MCM Ceramic Maurice Of California Ashtray.
Vintage/Retro Maurice Of California Pottery Ashtray Abstract MCM