No VAT will be charged on the hammer price, but VAT at 15% will be added to the buyer's premium which is invoiced on a VAT inclusive basis.
Maura Rinaldi discusses this type of bowls in Kraak Porcelain- A Moment in the History of Trade, London, 1989, pp. 140-141, ill. Pl. 161. Eleven of these bowls are in the Topkapi Saray Museum, Istanbul, Inv. 15/2186.