Mandolins Van Gaard Year: circa 1960 Size: 48 in. x 30 in. Framed size: 50 x 32 inches Oil on board, signed lower left Two mandolins feature in this large painting produced by Vanguard Studios artist, Van Gaard. In a process that resembled Andy Warhol's Factory, many artists worked for Vanguard Studios producing similar paintings. Vanguard Studios was run by American artist Lee Reynolds.