Pop artists signed First Day of Issue cover of the Modern Fine Arts U.S. 5 cent stamp, signed by multiple artists: Andy Warhol, Jasper Johns, Victor Vasarely,Adolph Gottlieb, Charles Biederman
Estimate: $3,000 - $4,000
Auction : Signed & Sealed: Music, Movies and Memorabilia at Auction — Cool Stuff Auctions