Bank Notes11 March 2005 Counterfeit Scenes of Canada NotesCheck carefully when accepting older bank notes In 2004, counterfeiting of $100 notes from the Scenes of Canada series increased significantly. This series, introduced between 1969 and 1979, preceded the series that featured Canadian birds.
The Bank estimates that very few genuine $100 notes from this series remain in active circulation. Since these notes do not include optically variable security features, they are less secure than notes from either the Birds of Canada or the Canadian Journey series and are thus more vulnerable to counterfeiting.
The Bank is encouraging retailers to ask for notes from a more recent series if they cannot confirm the authenticity of a Scenes of Canada note that is offered as payment.
http://www.bankofcanada.ca/en/banknotes/scenes.html