1. MUS RP 6971 Reference (shelfmark): MUS RP 6971 Title: Scope & Content: Giuseppe Verdi. Autograph fragment of a leaf from the full score of ‘Un ballo in maschera’. Sotheby’s sale 06 Dec 2002 lot no.197. Creation dates: Undated Collection Area: Music Collections Languages: Undetermined Date Range: 19 Dec 2002 Extent: 2 photocopies