G Overprint On Canada 5 Cent Corner

Hi I am posting a picture of an interesting stamp that was in a collection I bought. The stamp has the G overprint. There was a discussion on these somewhere that I could not find BUT there was a variety with a narrow bottom on the G. I am sure there is a link to these stamps and varieties etc but not easily found. Let me know what you think about this stamp and any information you can provide. Thanks again

Hi WillUK.

Here is the link to a recent discussion.
https://goscf.com/t/78092

Your stamp only exists with the normal type of G. It was not issued with the so-called "flying G".

Phil