Cal Ripken 1991 MLB All-Star Game commemorative cachet envelope produced by Z Cachets, postmarked in Toronto on the day of the game, autographed in blue marker by Ripken, who was the game's MVP. Authenticated by Ironclad (Cal's company), with their numbered hologram on the back. With certificate of authenticity from AutographsForSale.com. MINT. ONLY ONE AVAILABLE FOR SALE.