AMQS by the celebrated German bass-baritone and director, inscribed on a postcard with a print of "Tristan and Isolde" by the painter Michael Echter. Two measures of music with an unidentified text. On the verso, the postcard is addressed to Frl. Lia Heinz in Graz, stamped and postmarked 1901. One diagonal crease and slight wear to the edges; otherwise in fine condition. 14 x 9.2 cm.