Something strange about Cod. Sang. 1068

[eggyk]

Do these look Voynich-y to you?

In a way, yes. But that is not strange, and is common across many manuscripts of the era. 

For example, I made a similar thread You are not allowed to view links. Register or Login to view. about another manuscript (You are not allowed to view links. Register or Login to view.) which also shares many of those features. Look at the "EVA-like examples" section and you'll see what I mean.  Since then, I've seen many many more manuscripts with hands similar in many respects. The images you have posted look quite normal. 

The unfortunate reality is that the VMS marginalia handwriting is not much weirder than most hands in the 12th-16th centuries. It is weird in some respects, but marginalia being weird and varied seems to have been the norm. Voynichese itself also shares many forms with the handwriting from that era, and almost all of the symbols can be found somewhere, in some context.