Embroidery Pattern with an Oblong Panel in its Center. Artist: Albrecht D?rer (German, Nuremberg 1471-1528 Nuremberg); After Leonardo da Vinci (Italian, Vinci 1452-1519 Amboise) (or workshop). Dimensions: sheet: 10 1/2 x 8 1/4 in. (26.7 x 21 cm). Dat