Safety Ash Tray made by the The National Porcelain Company of Trenton N.J. circa 1937.
Instructions on the back: Place cigarette in grove. Will snuff out at edge. Protects your furniture
Dimensions: 2 3/4" x 3 3/4"
Height: approx 1"
Very good condition: no cracks; both ashtrays have chips on groove opening where cigarette is held, see photos.
Wb10