William P. Duffy Oil on Board “Quidnet Beach” Consign Now DeptFine Arts, Nantucket ArtSize8.5 in. x 11.5 in. Framed 16 in. x 19 in. William P. Duffy (American b. 1948) Oil on Board “Quidnet Beach”, with a view of Sankaty Light, signed lower right, William P. Duffy, in broad molded gilt wood frame 8.5 in. x 11.5 in. Framed 16 in. x 19 in. Please note that this auction has ended. Click here for an overview of this auction.