The product is a vintage advertising calendar from the Saucon Valley Coal Co. in Hellertown, PA. Created in 1951, this calendar features a unique design and promotional messaging related to the coal company. Made in the United States, this collectible item serves as a nostalgic piece of history, showcasing the branding and advertising techniques of the time period. Perfect for collectors of vintage advertising memorabilia, this calendar offers a glimpse into the marketing strategies used by the Yerly Coal Company in the mid-20th century.