Assertion: manuscript's book | /r/HasProperty | bought by holy roman emperor
Facets:
value: for 600 ducats
type: TEMPORAL
value: according to his friend
type: OTHER
Source sentences:
text: Marci's 1665/1666 cover letter to Kircher says that, according to his friend the late Raphael Mnishovsky, the book had once been bought by Rudolf II, Holy Roman Emperor and King of Bohemia for 600 ducats (66.42 troy ounce actual gold weight, or 2.07 kg).