This 1973 Vintage Grateful Dead Poster was Played at The Nassau Coliseum Long Island, NY on March 15th and 16th. Promoter is the Icon Bill Graham. It Captures an Illustration of a Dancing Couple in the 1920’s or 30’s. This Poster is Signed by the Artist David Edward Byrd and is Numbered a Low 12/100. Measures Aprox 22″ X 15″, the Print is Considered an Artist Proof (AP) Collaborated by the CERTIFICATE OF AUTHENTICITY. The Poster is Extremely Rare due to the Artist’s Signature, Low Numbered Print, Certificate of authenticity, and Mint-Like Condition and is Highly Valved by Collecter’s of Grateful Dead and Music Memorabilia.