Rarebookkyoto x111 Tradition of Elegance The Leshantang Collection 2008 Sotheby's Hong Kong 白地緑龍盤 鈞窯天青釉仰鐘式花盆 Rarebookkyoto x111 Tradition of Elegance The Leshantang Collection 2008 Sotheby's Hong Kong 白地緑龍盤 鈞窯天青釉仰鐘式花盆