Having a bit of a tidy up, had a quick look and couldn't see one previously posted anywhere ......
(http://www.australian-coins.net/gallery/albums/userpics/11067/1981_50_face_dbl_2.jpg)
Now I will have to check mine. And, that is a strangely shaped coin! (Who says the camera doesn't lie?)
I think uni put the coin on an angle so that we could see the doubling :ok:
You'd be on the money there Trout!
My desk picture taking setup is pretty ........ ordinary.