Rackham (Arthur) The Rhinegold and the Valkyrie by Richard Wagner, translated by Margaret Armour, London: Willian Heinemann, 1910, 4to, deluxe edition in gilt-stamped vellum, original fabric ties present, deckled edges, top edge gilt, limited edition numbered 420/1150, signed by Rackham, booksellers label for Henry Sotheran, including loose-leaf exhibition announcement