1811. Copper-line engraving. 1811. 240mm by 365mm (image only). 'The Exterior of the Prince of Wales' Conservatory at Carleton House' Engraving from 'La Belle Assemblee'. Folds as issued and small missing section lower left corner.Some staining."

C1870. Chromolithograph. C1870. 320mm by 250mm (sheet). From 'Constructions Modernes & Economiques', a French folio of architectural designs, published by Monrocq in Paris. Remains of hinges on the reverse."