French Chocolate Opera - Lot of 13 Opera Singers Photographs Autographs Actors - Letter A slight paper loss and rust

slight paper loss and rust on borders but image is clear

As well a printed letter of thanks

Estonian conductor (b

musician and music educator who developed Dalcroze Eurhythmics

Also included: signed photo

French Chocolate Opera - Lot of 13 Opera Singers Photographs Autographs Actors - Letter A slight paper loss and rustLof of 13 unsigned vintages "French Chocolate Opera" trade cards by Guerin Boutron & Grondard companies depicting famous opera singers of the late nineteenth century and early twentieth century, including Breval, Caron, Cesbron, Duse, Lasalle, Litvinne, Nuovina, Rejane, Renaud, Sanderson, Talazac, and Van Dyck. Each one's size is 2. 4 x 4 inches, in very good condition or better. SOLD ONLY AS A LOT, NOT SOLD SEPARATELY.