A two-piece bonded anything is quite scarce in Canadian decimal coinage. I believe George Manz has had a 1975 bonded pair for sale for quite some time.
http://georgemanzcoins.com/images/ErrorBond416.jpgI know of a 1979 two-piece bonded cap, including one being a flipover strike sold at Heritage in 1998.
https://coins.ha.com/itm/world-coin...a/190-7404.sI finally acquired an example of this error for my small cent error collection, from the February 2017 Torex. It is in a PCGS thick slab, and I love it.
