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.
The National Portrait Gallery contains a sketch of the present miniature inscribed 'Princess Elizabeth for Lord St Hellens, Edridge 1811'. Edridges's original, full-length watercolour of 1804, after which the enamel was possibly adapted and painted is in the Royal Collection (inv. no. RL 13685). For more see R. Walker, 'Henry Bone's Pencil Drawings in the National Portrait Gallery', The Walpole Society, LXI, London, 1999, no. 181, p. 323.