JKP: they are, within the same manuscript. Only, this one drawing is somewhere in the main body of the book, while all the other (nicer) drawings are clustered at the end. Everybody always focuses on the clean drawings, of course, but as Voynich researchers we have a thing for oddballs I guess 
I remember spending a long time trying to find the answer to this same question. After a while I was able to confirm that indeed, they are in the same manuscript. It's just hard to believe because they are so different.
I remember spending a long time trying to find the answer to this same question. After a while I was able to confirm that indeed, they are in the same manuscript. It's just hard to believe because they are so different.