Circa-1920s double-sided porcelain Musgo Gasoline sign, $1.5 million. Image courtesy of Richmond Auctions and LiveAuctioneers
GREENVILLE, S.C. – On August 27, Richmond Auctions set a new world auction record for the most expensive antique advertising sign when it sold a 48in double-sided porcelain Musgo Gasoline sign for $1.5 million against an estimate of $100,000-$750,000, shattering the previous record of $400,000.