1962 NASA Project Mercury original First Day Cover cachet envelope with embroidered Mercury 6 patch, autographed in thin blue marker by the late legendary astronaut John Glenn, professionally matted in blue and framed in white with a vintage 8x10 photo, ready to hang. Framed size is about 14 by 19 1/2 inches. The autograph was authenticated by JSA with their matching numbered sticker (visible via a small window cut in the back) and certificate of authenticity card. ONLY ONE AVAILABLE FOR SALE.