A 15th century style oil on panel of the Annunciation of the Virgin

A 15th century style oil on panel of the Annunciation of the Virgin, the reverse inscribed in pen 'A very rare ..... English picture painted in the Reign of Henry VI, The Annunciation', 6½ x 4½in (16.2 x 11cm) together with a Danish terracotta plaque after Thorwaldsen by Ipsen, impressed 'P. Ipsen', 6½ (16.5cm) diameter. (2)