Geevor Tin Mine Equipment Acquisition of the mine machinery at Geevor Tin Mine, a complex amalgam of buildings dating from the 20 November 1991
Drawings for a house at 21 Arlington Street, London, by James Leoni Acquisition of an album of 14 drawings with explanatory text for a house at 21 Arlington St, London, 27 March 1991
Earl (4th) of Sandwich Papers Acquisition of papers of the 4th Earl Sandwich (1718-1792) . 27 March 1991
Death of St Clare, Drawing by Salimbeni from Holkham Hall Acquisition of drawing in pen and ink depicting the death of St Clare with Pope Innocent IV blessing 18 December 1991
Dumfries Freedom Box Acquisition of the Dumfries Freedom box, silver and silver gilt, by Alexander Gairdner, Edinburgh, 1 23 January 1991
D H Lawrence Manuscript of Memoirs of Maurice Magnus Acquisition of the manuscript of an essay written by D H Lawrence in 1922 as an introduction to Magn 23 October 1991
Coronation Footstool for George IV Acquisition at auction of the footstool made for the coronation of George IV in 1821 to match the St 20 November 1991
Cors Y Sarnau, Gwynedd Acquisition of Cors 7 Sarnau, a 34-acre valley mire site near Bala in Gwynedd. 27 February 1991
Corbridge Lanx Acquisition of one of the finest 'picture plates' (lanx is Latin for a large serving platter) sur 18 December 1991
Coughton Court, Portrait of Anne Throckmorton by Largillière Acquisition of a portrait of Anne Throckmorton, who was an Abbess of the Celestine Convent in Paris 23 January 1991