I don't have much info to offer but I did find this article:
Quote:
We have now been using toonies for 25 years and some $2 dollar bills have gone up in value.
The printing of the $2 dollar bill in Canada ended on February 18th, 1996, and ushered in the age of the toonie — that means some of the paper bills could be worth a lot more than $2.
According to Numicanada, $2 dollar bills printed in 1986 with the AUH-prefix within the seven digit serial code could be worth 10,000 times their face value.
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https://toronto.citynews.ca/2021/02/...x-their-value/
As an aside, I went to the Bank of Canada/Currency Museum in Ottawa many years ago and thought it was really interesting. I think they've moved to a new location now but it looks like admission is still free. Worth the visit IMO; I have some older bills stashed away (including some $1 notes) that still brings back a lot of childhood nostalgia when I see them...