Don't know Kawamura, I tend to focus on European stuff.

Yes, I like to restore the decals if possible. Some are available, many aren't, sometimes I recreate. Here are a couple places to try, but they're mostly European I think. Some established painters have access to lots of vintage and current decals.

http://ourworld.compuserve.com/homep...YDS/decals.htm

http://stores.ebay.com/Cyclomondo_W0...dZ2QQpZ2QQtZkm

http://www.universalcyclecentre.co.uk/Decals.htm

www.vintagetransfers.it/listbici.htm