This First Day Cover, issued on May 18, 1959, commemorates the United Nations' Economic Commission for Europe and features a bold design with a set of four 4¢ stamps, each depicting industrial and agricultural imagery. The cover is postmarked from the United Nations headquarters in New York, marking its official release date.

Adding historical significance, the cover is signed in blue ink by Richard McDonald, co-founder of McDonald's, the globally iconic fast-food chain. McDonald’s signature is placed prominently below the printed design with the inscription, "With best wishes – Richard McDonald," showcasing the rarity and personal nature of the autograph.

The item has been authenticated and encapsulated by PSA/DNA, ensuring the integrity and preservation of the artifact. The PSA label provides the certification number #85245512, which can be verified for authenticity. The encapsulation maintains the pristine condition of the cover, with the signature remaining clear and legible.

This unique collectible combines philatelic and entrepreneurial history, making it a rare and valuable piece for collectors interested in significant figures of the 20th century, postal history, or memorabilia connected to the rise of American business icons.