1930's Amber Glass "Firestone The Mark of Quality" Rubber Truck Tire Ashtray

Description

This beautiful Amber Glass Ashtray has the raised embossed Firestone Symbol (F in Shield) and "The Mark of Quality" written on the bottom.  It's  surrounded with a solid black Rubber Firestone Truck Tire that reads;
"Firestone -- MAX LOAD 2200 LBS.  KEEP INFLATED TO 90 LBS.  --  Gum "F" Dipped  --  MADE IN USA  --  32  x  6  H.D."
The Rubber Tire is in Good Shape, with a couple points of impression to the underside on the edge of the tread.  The Amber glass ashtray has two chip flakes along the top edge.  see pics.  There's a couple flea bites on the top edges of the cigar/cigarette rests and a few small bubbles on the bottom and sides in the old glass.
Tire measures 6 1/2" across and 1 3/4" deep
Glass Ashtray Measures 3 1/4" across and 4 1/4" at the cigar rests
Thanks for looking.  Please message me your questions.