Dia.: 11,5 cm

Condition: (UV-checked)
- Both in excellent condition, absolutely no damage whatsoever.

Ref.:
- Sotheby's, Hong Kong, The Meiyintang collection, April 7, 2011, lot 22, for another pair. (link)
- Christie's, Paris, Nov. 22, 2006, lot 309, for another pair. (link)
- Christie's, London, June 7, 2004, lot 221, for another pair. (link)