This is my present small painting. Can you tell what this will be from the block in?
If you look carefully, you can see a faint outline sketch in light blue.
Tip four of my twelve days is the Ultramarine Middle Blue Strabilo CarbOthello 1400/430 Pastel Pencil. Here is a link. This pastel pencil's marks melt in the overlaid oil paint (unlike many other marks which continue to show beneath thin paint).