Are there many valuable silver coins?

I have a fairly large money tin that I have just filled up with silver coins. I'm not much of a coin collector so haven't checked them along the way. Since it's full I'll be taking it to cash in at the bank soon but might look through them first.

Are there really many valuable silver coins or are most collectible coins around $10-$20 value? I just wouldn't want to take them into the bank if there might be a rare and more valuable coin amongst the mix say worth a hundred dollars or more.