Presented for your consideration is this gorgeous rare ORIGINAL SIGNED Concert Handbill mailer created by 60’s legend David Singer for concert appearances by Sly and the Family Stone, Spirit, Bsllin Jack, and Southwind at the Winterland in San Francisco on December 26-28, 1969. Featured in the Art of Rock, Measuring 4.5” x 7” this stunning 52 year old concert mailer is in Excellent condition. SIGNED in Silver by David Singer! A great price. Ships priority within 24 hours. Thanks ...for looking.Please check my feedback. Peace. Please stay safe. ☮️