Opera Singers - Lot of 54 Vintage Photographs

Lot of 54 unsigned vintage photo postcards of opera singers from the late XIX century and early XX, including L. Ponzio, Otto Wolf, Theodor Jran, Erich Zimmermann, Delia Reinhardt, Heinrich Knote, Birgit Engell, Elise von Catopol, Julius Roether, Hermann Jadlowker, Lola Artot de Padilla, Walter Kirchhoff, Leo Slezak, Josephine Reinl, Maria Labia, Johann Sembach, Hertha Stolzenberg, Erna Denera, Marcella Sembrich, Sigrid Arnoldson, and others.  Each one's size is 3.5 x 5.5 inches, conditions range from good to excellent.

SOLD ONLY AS A LOT, NOT SOLD SEPARATELY.