Mickey Mantle and Don Mattingly Signed First Day Cover Envelope with Roberto Clemente Stamp

Dated 1984, full-color cachet artwork shows Don Mattingly and Mickey Mantle in New York Yankees uniforms, postmarked NEW YORK, NY - SEP 30 1984 - 10001, 20 cent Roberto Clemente U.S. postage stamp, dual signed by both Don Mattingly and Mickey Mantle in blue ink, caption at bottom notes that Don Mattingly became the first Yankee to win a batting title since Mantle, who hit .356 in 1956, certificate of authenticity on back, presented in wood frame with glass.

A First Day Cover (FDC) is a collectible envelope issued on the first day a new postage stamp is released, featuring the stamp, an official “First Day of Issue” postmark, and a decorative cachet related to the stamp’s theme. Highly prized by collectors for capturing a specific moment in postal and cultural history.

Overall very good estate condition.