I’ve been following your blog on and off for some time now. I’d be curious if any of your blog followers have comments on Dirk Bouts "Entombment" painting. It is a glue-size painting on linen depicting the entombment of Jesus, and was probably completed between 1440 and 1455. In looking at the face in detail I see what looks to be an epsilon bloodstain like on the shroud.
This is a wonderful close up. of the face Click on either image, particularly the close up below to see larger versions.