Archive › HA 254 - Letter paper of the building in Hyde Park for the Great Exhibition 1851 published by C & E Layton, Fleet Street, London. Image 1 of 1 HA 254 - Letter paper of the building in Hyde Park for the Great Exhibition 1851 published by C & E Layton, Fleet Street, London. £0.00 Printed on thin blue paper watermarked ‘Towgood 1851’ with the text in English and French. Quantity: Add To Cart Added! Printed on thin blue paper watermarked ‘Towgood 1851’ with the text in English and French.