The rim of the ash tray / match holder is molded like a tire tread. It is 4" in diameter.
The mold reads "Pennsylvania Rubber Co. . Jeannette. PA."
Center: "VC Non Skid Trade Mark"
Rim below match holder top face: "Vacumn Cup Cord",
Bottom face "33x5".
Bottom back of match holder "Pat. Apl'd For"
four inches wide.