I just read about your coin in the latest ErrorScope... great article Zimmy!!
I know of a few other examples on Canadian 5c coins (Isreal/Canada) and Zonad has one from the Bahamas/Canada that he posted somewhere on CCF. I know of a single loon error struck over a Bangladesh Taka, which Sean Isaacs has in his personal collection, see near the bottom of this link:
https://alliancecoin.wordpress.com/...ng-2/page/6/