Group of Two Co-Op & Zenith Advertising Tire Ashtrays

6" Diameter Each; clear glass center

3.5" Diameter each; both has labeled green glass centers; Wm. Penn Motor Co & A.O. Hale Tire Co

6" Diameter Each; litho clear glass center

6" Diameter each; Clear glass center

6" diameter

Largest is 6" Diameter

largest 7" diameter

5" Diameter each; clear glass center

5" diameter each

6" diameter each, both with green glass centers

6.5" diameter each

6" diameter each

6" diameter each

largest 6" diameter

6" diameter each

6" diameter each

6" diameter each

6" diameter each

5" diameter

6" diameter each

6" diameter each

6" diameter each, both have embossed clear glass

6" diameter each

6" diameter each