Here are the items that we found.
Recording Information
CAST
Violetta Valery – Maria Callas
Flora Bervoix – Marie Collier
Alfredo Germont – Cesare Valletti
Giorgio Germont – Mario Zanasi
Dottore Grenvil – David Kelly
Gastone – Dermot Troy
Marchese d'Obigny – Ronald Lewis
Annina – Lea Roberts
DETAILS
Location: London
Date: June 20, 1958
Conductor: Nicola Rescigno
Catalogue Number: 10215-2
BONUS
Addio del Passato
Addio del Passato: Maria Callas
Location: Lisbon
Date: 1958