Lot 497 - A WHITE MARBLE HEAD OF A BODHISATTVA,,龙凤纹四节玉佩,DZ14251112130 | 墨水,Hello everybody. Would you tell me more about mark, clay, quality, origin of this one? Thanks a lot.,東漢四靈紋白玉玉磬Eastern Han Dynasty Musical Slabs,14.2-10.3cm | 皇宮古玉齋( EXOTICJADES.com)