Ken,
What about watercolors over acrylic medium ?
Does that work ?
Woody
bicyclken@earthlink.net wrote:
> For Collages I use acrylic medium and we are able to paint over them and it
> works very nice. I sandwich the acrylic medium by laying down a layer and
> then the paper and more meduim over that. Works great for me.
>
> Ken Schwab