Hi I'm not sure if these are accidental or purposely done but they are there some small there is a larger one on one of the pics 1993 under A in Canada between NA and beside 3 also a few more 99 there are a few Queens neck as well as a small and large under Canada A andbetween GGI in Regina
I want to share this reference website with you - http://www.coinsandcanada.com/coins-errors-varieties.php?error=dots&id=6 Dots - also known as Die Chips
The dots are, by and large, not die chips. It's a lousy website, full of odd terminology and misidentified errors. For example, their "die cap" is an example of post-strike alteration.