Which preposition to use with roial

of Occurrences 3%

The roials of plate are worth 88 larines by the 100 meticals, and albeit among the marchants they sel by the 100 meticals, yet in the mint or castle, they sel by the 100 drams, hauing there lesse then the worth 5 medines in each hundred drams, and haue their paiment in 40 dayes made them in Saies or larines.

Which preposition to use with  roial