Vintage Caterpillar/John Deere Authorized Dealer enamel advertising sign – round model - Enamel sign - Enamel

This vintage enamel advertising sign likely originates from a period when enamel signage was popular as durable outdoor advertising for industrial equipment dealers. Featuring brands like Caterpillar and John Deere, two of the most recognized manufacturers of heavy machinery for construction and agriculture, the sign symbolizes the authorized dealership channel that supplied and serviced their equipment. Enamel signs from this era are notable for their bright colors, weather resistance, and classic graphic design that reflected mid-20th century commercial art styles. Collectors prize such signs for their nostalgic industrial heritage, craftsmanship, and as artifacts documenting the history of heavy machinery marketing and dealer networks. The round model shape adds distinctive mid-century styling, making it suitable as decorative memorabilia for fans of vintage advertising, farming history, or industrial machinery.