Muhammad Ali 1990 Gateway commemorative cachet letter size envelope autographed in blue ballpoint, custom matted in black and framed with glass in white with a vintage boxing photo captioned The Greatest! Framed size is about 17 by 21 inches. Ready to hang. Autograph obtained via paid signing with Gateway. Authenticated by JSA with their Letter of Authenticity showing this exact item. ONLY ONE AVAILABLE FOR SALE.