Opera Singers 1950s and 60s - Lot of Autograph Letters Signed + Typed Letters Signed

Lot of three handwritten autograph letters signed and five typed letters signed - eight items total _ from several leading opera singers of the 1950s and 1960s particularly known for German opera repertoire. 

The artists include Grace Hoffman, Rita Streich, Ira Malaniuk, and Peter Anders. Size of items range from 4 x 5.75 inches to 8.25 x 11.75 inches, several of these have small bullet holes not affecting text or signature, otherwise in very good condition. Not sold separately.