Attractive 1873 illustrated advertising cover for the Keystone Cultivator, manufactured by Musser, Foote & Bower of Millheim, Pennsylvania. The detailed depiction of a horse-drawn cultivator highlights the innovation of regional farm implement makers serving the 19th-century agricultural market. Despite upper edge wear, this cover remains a desirable early Pennsylvania farm equipment advertising piece, notable for its strong imagery, legible postmark, and connection to America’s mechanized farming era.
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