Pair of Framed Nautilus Shell Shadow Boxes Consign Now DeptCollections, Decorative Arts, Furniture/Decorative Arts, Maritime ArtsSizeOverall 11.25 in. x 14.25 in. Pair of Framed Nautilus Shell Shadow Boxes, each housing a half of the shell. Overall 11.25 in. x 14.25 in. Please note that this auction has ended. Click here for an overview of this auction.