Solid rubber. I cannot find any markings. Matching tires, one however looks to be stained more than the other.
1/16 toy tractor tires
Structo Rocker Green Metal Dirt Pan Toy Vintage Toy Tractor Super Nice
Vintage Toy Tractor Lot Cast Iron Car Steam Engine Ertl 1/64 Ford Allis MF
Vintage Toy Tractor Lot Ertl, International Instant Collection!
Vintage Red Metal Tractor 1940s Farm Toy Rubber Tires Driver Figure
Vintage Slik-Toy Tractor Die Cast ORANGE Narrow Front End Rubber Tires
