Are these worth anything?

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I am planning on donating some Canadian Tire money tomorrow. Just checking to make sure none of it is worth anything. I hope you can help!

10 cent Olympic XXI serial LN3181824
25 cent Olympic XXI serial MN1356327
5 cent with happy tire Serial S5709279
50 cent with Tested Proven Products seal on back serial E3533504
10 cent 50 years with canadian tire store on back serial T1389099
25 cent 50 years with canadian tire store on back serial U1088811

Then I have some 5, 10, and 25 cent ones without dates on the back. How do I know if those are worth anything?

I will donate them regardless but if they are worth something I would want to get the value for them and donate that.

Thank you in advance!

Maria,

Your notes are all fairly common and in low grades are not really worth much more than face value. However if they are in higher grade (uncirculated) they are definitely worth more than face value. To get an idea of there condition I would need to see hi-res scans.