Frauenfeld, Kantonsbibliothek Thurgau, CL 8438, Wrapper (https://fragmentarium.ms/overview/F-6vbs). A book, octavo-sized, that has been wrapped in a piece of parchment, half of which is visible here. Five sets of five staves, each with red lines and funky mensural notation, mostly what looks like maxima and breve.

#FragmentOfTheDay: Another Frauenfeld find. Wrapping Josse Clichtove's 1523 chart-topper Opusculum on War and Peace, this Passion is sure to please your friends who dig early #mensuralNotation and #polyphony. Late, early, or just on time, it's guaranteed to please. fragmentarium.ms/overview/F-6...