This colorful, embossed official U.S. Postal Service cachet envelope was issued to commemorate the 1984 Los Angeles Olympics baseball competition played at Dodger Stadium. Baseball made its Olympic debut in 1984 as a demonstration sport. The cachet was postmarked July 31, 1984 at Dodger Stadium. Will Clark, Barry Larkin and Mark McGwire played for the USA at the 1984 Olympics. MINT. NOT autographed. ONLY TWO LEFT.