My Canadian Coin Values?

I have 3 coins that I dont know the value of them

1. the 1999 Nunavut coin with a weird sumo wrestler guy with a mask which is in nice condition

2. I dont know that date - 25 Cent -
It has 1873 on one side and 1973 on the other with a horse in between with a rider on top holding a flag. Eliz II

3. A 1 cent 1962 Elizabeth II DEI GRATIA REGINA with exact same words

Please tell me the prices so I dont get ripped off by the coin dealers.

thank youuuuu

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