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.
Please note that this lot has been incorrectly described as a microscope. It is in fact a spyglass and complete.
The microscope is recorded on p. 545 of Lualdi, A. 'La famiglia Selva, ottici del '700 Veneziano', Nuncius, Anno XVI 2 (2001) pp. 531-546.