Here's how one of the rarest pieces of Chinese porcelain in the world ended up in the National Museum of Ireland ...

Most buyers tend to be wealthy Chinese moguls who are proud ... rare 18th-century Snowflake Blue Yongzheng Vase was made as imperial porcelain again during the reign of the Yongzheng Emperor.

A prized Chinese vase dismissed by a BBC antiques expert ... Yet it went on to become the most expensive piece of Chinese porcelain ever to come on to the market - eventually.

"The fascinating thing about these vases is that they are so beautiful and mysterious, and yet they seem tremendously familiar." (Jenny Uglow) "If you say Chinese porcelain, this is what you think ...

"The fascinating thing about these vases is that they are so beautiful and mysterious, and yet they seem tremendously familiar." (Jenny Uglow) "If you say Chinese porcelain, this is what you think ...