114 gemstone animals by master engravers Gerd and Patrick Dreher - mostly made from a single gemstoneProfound essays on techniques and materials by renowned authorsNew and detailed photographs allow never before seen aspects of the beautiful gemstone carvingsEngravers Gerd and Patrick Dreher are famous the world over for their masterly animal figures, each of which is cut from a single gemstone. In the early twentieth century, grandfather, great-grandfather...