Canada Nunavut $2 mule without a raised inner rim
This coin is found in some of the uncirculated sets
Image from Frans Woons
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Gold & Silver proof $2 Nunavut coin which does have a join between the 2 metals
Image from Frans Woons

Canada 2000 $2
Image from Royal Canadian Mint via Joel Larouche

Canada 2000 2$ Proof  image from Kyle Mutcher

Canada clashed die  with showing the crown imprint
Image from Kyle Mutcher

Canada 1996 $2 normal and extra mountain
Image from Kyle Mutcher

Canada 1996 $2 Extra Mountain
Image from Kyle Mutcher

 Canada Marconi 2001 Sterling Silver Coin, 100th Anniversary of the
First Transatlantic Wireless Transmission. Image from Otto Vizi

Canada 1998 $15 Year of the Tiger
Image from Joseph Kocian