Chicago: 1957. unbound. 1 page, trimmed from a larger sheet to 5.75 x 7.25 inches, Chicago, November 29, 1957. Portion of a program of Tosca at the Lyric Opera of Chicago, leader roles sung by the Swedish-born tenor and the American soprano, showing the cast list and the date and time of the performance. Advertisement on the back; small chip on the bottom edge. Very good(-) condition.