Chinese wine cup. The object is a glazed piece of porcelain, hand shaped with an all over green tone underglaze. This piece may be referred to as Celadonware. A potters mark appears on the underside of the cup in blue brush. The mark could be the symbolRYUHmeaningsunorday`. An etched symbol appears in the bottom of the cup and most likely refers to ownership of is a symbol of felicitation. PH1 2006, PH2 2007