I've seen this bulge so many times on the toonie on various here.
For the few of them I found, it's clearly on the die since many coins have been found with the same bulge.
So, this link if the the 2016 version (in french)
https://numicanada.com/forum/viewto...3&hilit=sp67
and for 2018 (still in french)
https://numicanada.com/forum/viewto...1&hilit=sp67
For the few of them I found, it's clearly on the die since many coins have been found with the same bulge.
So, this link if the the 2016 version (in french)
https://numicanada.com/forum/viewto...3&hilit=sp67
and for 2018 (still in french)
https://numicanada.com/forum/viewto...1&hilit=sp67