http://www.montrealgazette.com/business/Canadians+Bank+Canada+about+maple+syrup+smell+bank+notes/8437038/story.html
Montreal Gazette
26 May 2013
By Dean Beeby, The Canadian
Press
OTTAWA - The penny may be history, but some Canadians suspect
the Bank of Canada has been circulating a new scent along with its plastic bank
notes.
Dozens of people who
contacted the bank in the months after the polymer notes first appeared asked
about a secret scratch-and-sniff patch that apparently smells like maple syrup.
[...]