This product is a collector's lot of four CD sets featuring the work of renowned opera singer Maria Callas. The set includes performances of Verdi's Aida, Puccini's La Boheme & Madama Butterfly and Bizet's Carmen.The CDs are in very good condition and come in a multicolor jewel cases with original inner sleeve and cover. This set is a must-have for fans of classical and opera music, showcasing the talent of Maria Callas in some of the most iconic works in the genre. Two librettos and cardboard slip cases are not supplied. The lot includes nine CDs.