I've got both the 9" IIc monitor and the stand for it. Unfortunately the stand doesn't have the bar that goes through the bottom of the IIc and the holes in the stand to hold it in place. I'm pretty sure you could get away with using some other sort of substitute.
Dean
Apple II Forever
My more portable Apple IIc: http://blackfletch.freeservers.com/appleIIc.htm