And Now A Mystery Coin From Winnipeg.

There is another design difference: the word-separator mark is a full stop or period, rather than the colon as seen on British and Canadian Provincial bronze coins.

I can only conclude that this is in fact not a brockage of a coin, but rather the product of a private mint making coin-like medallions - or outright counterfeits.

I cannot find "BRIT" with only one T, rather than BRITT, on any official coin other than on the Gothic Florin (which this coin clearly is not). I can however find it on numerous medals etc, such as this one: https://en.numista.com/402314

Assuming it is the product of a private mint, then we'd need to consider whether or not it is an actual "error"- it may have been intended as a one-sided ornamental medal intended to be attached to a book or piece of furniture, in which case the brockage effect may have been intentionally used during the manufacture - in other words, it's a bracteate medal, not a brockage.