Six to three
Painting (Collage, paperwork): A series of three w/identical cuts and differing colour/composition
For photos of the other two, read on...
Possibly the one above (3/3) is upside-down, I'm not quite settled on that issue yet.
If you've read the April 2016 article Paperwork Intro you may be able to recognize the raw material for this series from the article photo (3 sheets bottom left and 3 sheets top left).