Barcelona, Spain, Biblioteca Orfeó Català, MS 5 (olim 12-VI-12)
partly Girona, partly Catalonia or Italy.
white parchment over pasteboard
Endpapers: front and back: 1 (modern, with pastedown)
Modern binding; 'Messes del Segle XVI' on the spine.
The manuscript is also described and discussed (with an online facsimile) on the "Books of Hispanic Polyphony" website: https://hispanicpolyphony.eu/source/13118