Some interesting censored text on Balak

This is interesting. From Siftei Kohen's commentary on Balak, some censored text (pg 244 and then pg 245). I would guess that initially, the ink was much darker, but with time, it faded compared to the background ink, such that it is now eminently readable. I would guess that one could do even more with image editing software, to modify the brightness and contrast.

and this one, which is more fun: