The Voynich Ninja

Those are all really close. Here's the one I found:

Other digitized manuscripts owned by Nicolaus Pol, the Tyrolian physician, with very similar folio numbers:

You are not allowed to view links. Register or Login to view. Medizinische Sammelhandschrift
Contents p. 13: 35-345 (all alchemy books!)
Folio numbers 149-294, 319-349

You are not allowed to view links. Register or Login to view. Alchemistische Sammelhandschrift
Contents p. 8
Folio numbers on top of the recto folios, with some gaps, NOT in the top-right corner

Now looking at other ÖNB manuscripts. More Alchemy!

You are not allowed to view links. Register or Login to view. has the flat top "3":
[attachment=18151]

In the construction of the numeral "4" - in the recent example, the diagonal line always extends beyond the vertical line. In the original example, it never does.