What is bookplates? In the era of books or rare items, the Western bibliophiles to indicate your own collections, often commissioned by craftsmen or artists create your own personalized bookplate. "EX-LIBRIS" bookplate on the word is Latin, "my collection" means. In modern times, the bookplate artists as a creative form, in addition to the identity of those books marked practical use, but also adds more artists ingenuity. What is the carved grooves law? Carved concave line method (Engraving, broadly refers to the original print) is the use of a diamond knife to push direct rigid, often using the intaglio technique on metal or wooden letterpress wood mouth, the European early Renaissance masters - Dürer (Albrecht Dürer), especially trespassing often this technique. Works Information - Artist: Chen Yi pure Size: 15x10.5cm (paper) 5x5cm (forum) Edition species: intaglio (carved grooves techniques) Year: 2012 Printed on Paper Edition Limited 50, version number of random shipments.