[ Autograph ] (Opera) Good lot of ten miscellaneous signed items of prominent opera stars, includes signatures of Kirsten Flagstad (with Frank Sinatra traced-over on verso), Marcella Sembrich 2, Nellie Melba Tito Schipa and Ernestine Schumann- Heinck (with an additional A.Q.S.quoting Richard Wagner, toned), with an A.L.S. of Fritzi Scheff and aD.S., a mail receipt by Marie Corelli, plus others.