This is the one thats been posted before:

http://www.nwta.com/patterns/pdfs/291sporr.pdf

I hope it's the one your looking for.
Southern Breeze, thanks for the pointer. The diagram is a step in the right direction. Now I have a mission to hit the thrift stores looking for leather. I don't know about the eyeballs though, I found some commercially made face sporrans. The eyes look kinda goofy