Many types of plastic used in artworks are now beginning to exhibit serious signs of deterioration – discoloration, crazing and cracking, warping, becoming sticky, and in extreme cases, turning completely to powder. The sheer number of plastics available constitutes a huge challenge for the conservation profession. More»
Remarkably realistic for medieval illuminated beasts, which were often fabulous admixtures of fantasy and fur. The unicorn is clearly drawn from life, for example.