Rare Vintage Nantucket Giant Postcard “Martha’s Vineyard and Nantucket Islands” Consign Now DeptDecorative Arts, Nantucket ArtSize6.75 in. x 10.75 in. Rare Vintage Nantucket Giant Postcard “Martha’s Vineyard and Nantucket Islands” 6.75 in. x 10.75 in. Please note that this auction has ended. Click here for an overview of this auction.