I was very happy with this last attempt at acrylics on an acrylic board that I got for my birthday.  Acrylic boards are great and I'll look out for more in the discount stores, they don't give like canvas on stretchers.  This wasn't supposed to be monochrome but ended up that way, I was mixing burnt umber with orange and white to get skin tones and focused so much on tone that colour kind of went by the way, but I prefer a restricted palatte anyway.  I actually started doing the head a little smaller but wanted to really focus in on the facial features after last week's figure drawing so I started again.  It's getting there