Bidspirit auction | 4 sheets of music Mozart

4 sheets of music Mozart and Johann Strauss II 1815-1871 - 4 musical works by Mozart and Johann Strauss Son, Overtura Cosi fan Tutte Weibertreue, W.A. Mozart, Schlesinger-V. circa 1815, engraved notes, handwritten annotations by Prof. A. Babener 1871; otherwise Johann Strauss Son: Jugend-Träume Walzer for Pianoforte, P. Mechetti, Vienna (1st ed. 1846); Der Kobold, Vienna Haslinger, circa 1860; Morgenblätter-Walzer for Pianoforte, For the Writers'/Journalists' Association Concordia, Vienna Spina 1864, large-format brochures with title images; another fragment without title, covers partly stained, total 60 pp.