Adele Isaac's autograph at the back

Adèle Isaac (1854-1915); French soprano, who created the roles of Olympia, Antonia and Stella at the première of Offenbach's "Les Contes d'Hoffmann".

The dedication written and signed by Adele Isaac reads as follows:

A Madame Fressat
Souvenir d'amitié
Adele Isaac