Amber imitation? Two unusual cases of pinus resin-coated beads in iberian late prehistory (3rd and 2nd millennia BC) Dr. José María Martínez Blanes A group of beads from the artificial cave of La Molina (Lora de Estepa, Sevilla) and Cova del Gegant (Sitges, Barcelona) were made from a biogenic raw material and intentionally covered by […]