Guy Minnebach, the Sherlock Holmes of Warhol vinyl, has made yet another new discovery: A 1958 cover…

Guy Minnebach, the Sherlock Holmes of Warhol vinyl, has made yet another new discovery : A 1958 cover for Archie Bleyer’s Cadence records, commissioned from Warhol via the ad agency Hockaday Associates, for an album by Colombian pianist Al Escobar and his Afro-Cuban orchestra. To prove it&rsquo;s by Warhol (he was working in a shared style), Minnebach can cite several known drawings that pretty…