Carbon dating antiques
The dish is indeed an important historical artifact and also one of the best recovered from the wreck site.
Sten has spent more than forty years in Southeast Asia designing and engineering various marine structures.
It is these interests and gained knowledge that is the base for all his books and extensive lecturing.
In addition to working with recovering artifacts, Sten has located number of ancient kiln sites in Thailand and in China were his shipwreck ceramics was made centuries ago.
Researchers are welcome at his headquarters where he documents his finds and patiently answers the queries of others. The dish is totally intact and shows smooth and thick glaze covering in the front.
It was made at the Ban Pa Yang kilns in Sisatchanalai which were operated by Chinese celadon potters from the famous celadon kilns at Longquan in China.
The cavetto is incised with four lotus flowers, in profile, and concentric circles in the well.
Rim is foliated with following incised lines that enhance the foliation.
For more information about the Royal Nanhai shipwreck, go to .
The dish is totally intact and shows good, thick, glaze condition.