Vintage John H. Martin Hand Colored Map of Nantucket Topography Consign Now DeptNantucket ArtSizeFramed 21 in. x 31 in. Vintage John H. Martin Hand Colored Map of Nantucket Topography, color key showing the different topographic levels of the island, by John H. Martin, Harvard University. Framed 21 in. x 31 in. Please note that this auction has ended. Click here for an overview of this auction.