With flat sides and a shallow collar at each end, the yellow-brownish and reddish-black colored jade stone now has areas of brown and stone veins, set on wooden stand.|Song Dynasty period.||Height: 1 5/8 in (4.1 cm) Length: 2 3/8 in (6.0 cm) Width: 2 3/8 in (6.0 cm)|宋 玉琮配紅木底座|本件玉琮玉色呈老土紅、黑、黃等色，出土久，已熟坑。部分透光通紅，推屬白或黃玉，原生坑出土時應有石灰白及紅土、黑褐色沁、腐蝕、白化、沁斑等礦物變化經收藏家長期把玩，已脫胎換骨。雖腐蝕面皮殼部分把玩脫落，但玉質變硬，產生油光，老殘處及其他各部白灰皮轉變玉質，色變土紅、土黃，色澤更深，油臘包漿特內斂自然。常見的良渚玉器，因長時間埋藏於地下，往往灰白蝕變嚴重，本器經一甲子把玩已呈老土大紅脫胎換骨甚為難得。