There's not much in the Library of Congress catalogue on Rosenwald MS 10, but it is a beautiful ms, dated to 1524 - the year is written in a cartouche on f.85v. The location is given as possibly Tourraine, but that's not definate. The calendar is complete and unusually written. Every instance of a word ending with e became ae, and every ae, wherever it was in the word, is ligatured into æ. So pape becomes papæ, Mary of Egypt becomes Mariae aegyptiacae, etc.