WAGNER, RICHARD. Rhinegold and the Valkyrie * Siegfried and the Twilight of the Gods. Together, 2 Limited Signed Editions. 34 and 30 tipped-in color plates by Arthur Rackham with lettered tissue guards, respectively. 4to, custom 3/4 gilt-stamped green morocco over boards, by Morrell; top edges trimmed and gilt, others uncut, marbled endpapers; custom silk-lined chemises lettered in gold on spines, housed in a cloth slipcase. first limited editions. numbered 967 and 858, respectively, of 1150 copies. London and New York, 1910; 1911