Authenticate Chinese Masterpieces Southern Song Dynasty Official Imperial Guan inner Kiln Wares

Most Of These Guan Wares Were Done In The Xiuneisi Inner Kiln,
And They're Among The Finest In The World
(From Sotheby's Catalog) One of the earliest references to guan kilns may be found in Tan zhai bihen [Composed measures from the Tan Studio], written by the Southern Song scholar Ye Zhi: ‘The kiln [site] at Xiuneisi, referred to as the inner kiln, inherited the production [method] of the ancient capital and produced celadon wares that used clear clay as standard. [These wares were] extremely fine with a glossy coloured [glaze] that was lustrous and translucent. They were treasured [by everyone] in the realm. Subsequently, a different new kiln was established at Jituotianxia [which produced wares that were] greatly different from [that produced at the] old kiln.’