I've got one or two laying around somewhere in my shop but doubt it would be cost-effective to ship it to you or I would.

They normally go for ~$15-$30 USD on eBay over here (that's for one fastener with all three pieces). I got a deal on a pair for $11 shipped last time I saw some on eBay.

More info: http://www.bikeforums.net/classic-vi...ear-mount.html

I can look to see if I still have one, but again - probably not cost effective to ship. Make sure whatever you get matches (or is pretty damn close) to what you see in the pictures of that thread I just linked.