Why do the subject coins have 2002 on lower left side of the reverse side?

When did Canadian Mint first start using mint mark logo and are coins with P vice logo more sought after than the ones with logo?

.What is significance of very small lettering TM/MC immediately after the year on 2007 25 cent biathlon coin? ..Are they the initials of artists that designed the image

Does attached photo of reverse 1982 Roosevelt dime show a DD error?

I am new to all aspects of numismatics but have gone thru a container we have been throwing pennies in for about 50 years. Had about 1200 of them the oldest dated 1928 which is in pretty good shape. I was wondering what affect if any rippling has on 1 cent coins. I know I came across several coins t...

What is significance of 25cent coin that has a p rather than RCM identification under the bust of the queen?