Antique 1891 George H. Walker Massachusetts Atlas Plate Map of Nantucket Island Consign Now DeptDecorative Arts, Maritime ArtsSizeHeight 19.5 in. Width 27.75 in. Antique 1891 George H. Walker Massachusetts Atlas Plate Map of Nantucket Island Height 19.5 in. Width 27.75 in. Please note that this auction has ended. Click here for an overview of this auction.