Something strange about Cod. Sang. 1068

[MarcoP]

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 here about another manuscript (Deventer, Athenaeumbibliotheek : 111 E 7 KL) 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.

I agree, this is a rather typical 15th century gothic cursiva. A few years ago, I posted on Reddit some parallels from You are not allowed to view links. Register or Login to view..
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The fact that Voynichese glyphs derive from medieval abbreviated scripts was already mentioned by Mary D'Imperio in 1978 (The Voynich Manuscript: An Elegant Enigma, p.23) and she mentions the even earlier researchers Petersen and Freely:

Similarities are clearly apparent between some Voynich symbols and certain Latin abbreviations in use at various times during the Middle Ages. These relationships have been investigated and exploited by several students, notably Petersen and Freely.

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.

Here I don’t fully agree. First, I don’t see why this should be unfortunate (or fortunate). Second, the fact that the marginalia script is not entirely unique allows for an investigation of the times and places where similar scripts were used, resulting in a limited set of good matches, much more specific than "most hands in the 12th-16th centuries". See for instance Koen's video where he goes in depth into the subject: You are not allowed to view links. Register or Login to view.. Interestingly, he found that the marginalia script appears to be from the same time-frame as the carbon dating of the parchment (early 15th Century).