Two Antique Porcupine Quill Slide Top Boxes Consign Now DeptDecorative ArtsSizeHeight 2 in. Width 7 in. Depth 4 in. Two Antique Porcupine Quill Slide Top Boxes, with ebony trim, bone dot inlays Height 2 in. Width 7 in. Depth 4 in. Please note that this auction has ended. Click here for an overview of this auction.