The images were created with wood engravings or metal etchings. Many, mostly German, engravings and woodcuts of Pilate were created in the fifteenth century. He is particularly noted for his engravings and etchings. Scrimshaw is scrollwork, engravings, and carvings done in bone or ivory. The illustrations were printed with the use of engravings. Bause reproduced many of Graff's portraits as engravings. Carter made the drawings from which the engravings were executed. Some engravings or sketches show animals, hunters or rituals. The cave contains various prehistoric rock art engravings. Black and white engravings and photographs of all the past Prime Ministers decorate the wall. Samples exist showing calligraphy, and woven copies of engravings. Besides caves with some remains of mummified animals and stones with engravings ruprestres. The stones have a curious engravings in the lower section. In visual art, the plagues have generally been reserved for works in series, especially engravings. Most, including Kelly's, were placed with the engravings (initials and date of execution) facing inwards.