Canada pennies value? 1937-1959?

I have rolls of Canada pennies that I got an offer of $1.50 a roll.
 I think that's a fair offer, however I have a ton of loose pennies, is there anything I should be looking for that's worth more than $1.50 a roll?

  What are these worth? https://en.numista.com/catalogue/pieces435.html

  Thanks so much

http://www.ngccoin.com/poplookup/world-coin-prices.aspx?category=7&worldcoinid=67&FromSearch=true

Well I see that the early cents go for a bit more than 3 cents each, what should a roll sell for on the open market?

I am also  really wondering is there any high dollar value coins that I need to search like the 1955 strapless?

Sorry I can't help you on that one, I don't know enough about Canadian coins.  Although if they've offered you $1.50 a roll the chances are they'll actually pay more for them.  As the saying goes, never accept the first offer.

They are all defunct, soon to be priceless.

Look for 1947, 1948 and 1949. The maple leaf after the 7 is kind of neat...

https://www.jandm.com/script/getitem.asp?CID=3&PID=80

Then, there are the shoulder folds...

https://www.jandm.com/script/getitem.asp?CID=3&PID=81

This will help you with all your Canadian coins

http://www.coinsandcanada.com/coins-prices.php