A mate picked these sketches up a flea market for a couple of dollars and gave them to me. They're marked as "Transformers Production Drawings". I don't recognise them, nor can I read the writing that is on them. Are they from one of the Transformers animated shows? If so, which one? If not, does anyone recognise where they are from?

DSC_0762 by M-bot2011

DSC_0763 by M-bot2011

DSC_0760 by M-bot2011

DSC_0761 by M-bot2011
(on the second one, there is a backing sheet underneath where there is the details of the character's mouth, presumably for the animation. Doesn't come up well in the photos)