Stamp, in red, verso: DIA
Inscribed, in ink, verso: Guiseppe de Trentinaglia LB. Inscribed, in the same hand, verso: Tres belle epreuve avant le retouche de Baille. Inscribed, in brown ink, verso: [possibly] GDJ Inscribed, in pencil, verso: Epr. avant la retouche de Baillie