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.
Domus, 422, 1965, p. 54 (design illustrated)
Fulvio & Napoleone Ferrari, Ettore Sottsass: Tutta La Ceramica, Turin, 1996, p. 99, cat. no. 374 (design illustrated)