Bertini is quite a mystery. His few known career highlights include:
1896 Terni (Il trovatore, Politeama Ternano, in September, with Anna Valentin,
Anna Berti Cecchini, Ferruccio Corradetti, Gaetano Monti)
1898 Firenze
1899 Lodi (Rigoletto, Teatro Gaffurio, month unknown, with Cecilia Monari,
Bianca Benassi, Nunzio Melossi, Francesco Riva)
Another Rigoletto in December 1899 at the Politeama Facchinetti in Vercelli may have been sung by Tobia Bertini Donati.
1901 Novi Ligure, Alessandria
1904 Roma, Teatro Manzoni (Il trovatore in August, with Ida Giacomelli,
Ida Barbi, Romolo Pavani, Roberto Bigiani), Teatro Quirino (Il trovatore
in September, with Ida Giacomelli/Assunta Bucciarelli/Giulia Mancini Frampolesi, Ida Barbi/Amelia Montanari, Romolo
Pavani/Attilio Lozzi, Roberto Bigiani; Ruy Blas in September, with Ida Giacomelli, Giuseppina
Bellabarba, Romolo Caldani, Roberto Bigiani; Ernani in October, with Anita Barone, Romolo Pavani,
Nazzareno De Angelis)
1906 Civitavecchia (Ruy Blas, Teatro Traiano, in May, with Elvira Celi
Ciampoli, Maria Antonietta Albani, Virgilio Blasi, Antimo Natili), Cascina (Ruy Blas,
Arena Bellotti Bon, in July, with Giulia Maraghini, Giuseppina Zoffoli, Alfredo Scarselli, Virgilio Blasi, Antimo Natili),
Narni (La traviata (sharing with Amedeo Rossi), Teatro Comunale, in August, with
Ulderica Persichini, Attilio Lozzi)