Where do I find a moon stone in Pokemon conquest?

Question

To evolve jigglypuff

Answer 1

Well, that is true that a travelling merchant would come by to offer the Stones. Pretty expensive if you ask me - 5000 coins.

I bought the Moon Stone for Oichi's Jigglypuff.

http://www.neoseeker.com/forums/56277/t1741533-evolution-stones/