WAGNER, Richard (1813-1883). The Rhinegold & the Valkyrie... translated by Margaret Armour. London: William Heinemann, 1910. 4° (285 x 225). 34 mounted colour plates by Arthur Rackham. (Occasional browning). Original vellum gilt, uncut (very slightly soiled, lacks ties). NO. 779 OF 1150 COPIES SIGNED BY RACKHAM.