CONWAY (SIR MARTIN, INTRODUCTION) THE HERMITAGE eighty-four photogravures directly reproduced from the original paintings in the Imperial Gallery at St Petersburg, by Authority of His Imperial Majesty the Tzar, published by the Berlin Photographic Company, London, late 19th century, full red Morocco bound with tooled gilt floral borders around a central Russian Imperial Coat of Arms; together with The Masterpieces of the Museo del Prado, one hundred and ten photogravures......in the National Gallery at Madrid, published by the Berlin Photographic Company, London, similarly bound in red Morocco with a central gilt Spanish Coat of Arms (2) Provenance Alfred de Rothschild (1842-1918) the Central Hall / Salon, Halton House, Buckinghamshire Lionel de Rothschild (1882-1942) Edmund de Rothschild (1916-2009) The Trustees of Exbury House Literature Rothschild Archive, London, Manuscript: 000/174/C/3, Christie, Manson & Woods Probate Valuation of 'The Estate of Alfred C. de Rothschild, Esq. C.V.O. Deceased, Halton House Tring'. 1918. Listed as 'Prado Museum £10.0.0. and Hermitage Museum £10.0.0.'