Auction Name: 2026 April 10 Concert Posters Signature® Auction

Lot Number: 26022

Shortcut to Lot: HA.com/7475*26022

BG-141 Iron Butterfly 1968 Fillmore West Concert Poster Signed by Victor Moscoso, Graded 9.8. First-printing San Francisco concert poster for Iron Butterfly, the Sir Douglas Quintet and Sea Train playing at the Fillmore West on Friday thru Sunday nights, October 17-19, 1968. Known as BG-141 in the Bill Graham numbered series and designed by two legendary graphic artists, Rick Griffin and Victor Moscoso, this poster was signed by Moscoso in gold pen at the bottom center. The poster was then graded an iron-clad 9.8 Near Mint/Mint by CGC (the Certified Guaranty Company). Measures 14" x 21." From the David Swartz Concert Poster Collection. COA from Heritage Auctions.

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