check out this website. I also have a coin like the one you describe. Judy http://mill-valley.freemasonry.biz/marin_hibernians_orangemen_royal_black_knights.htm
There is a gentleman who had a historical display from the Loyal Orange and Black Knights at the Orange parade in Bobcaygeon, Ont. I know he would be very interested in it. He had about 10 of them in a case, his name is Jim and he can be contacted at jh_pyke@hotmail.com
irish-tokens.co.uk/splitscreen/bottom%20non-irish%20rbp%20thumbs.htm might help you