Check the edge and you will see the copper core of a normal copper nickel clad quarter, not a silver Canadian quarter.
Please submit all to PCGS for verification. Then you will have very valuable coins. Well worth the investment.
Doesn't look like the one NGC certified https://coins.ha.com/itm/errors/197...a-1941-canada-25-cents-pr65-ngc/a/1158-5156.s Also regardless of how the 1941 over 1970-s got made I would be very surprised if another such combination was made