Also why is a Ms 67 value missing?

Probably because they do not have a record of any being sold.
There is one on eBay now in the exact same NGC holder with a asking price of $34.76 CDN.
You could probably use this as an approximate value.
I

There is no Canadian cent planchet that weighs close to 3.15g.
Possibly a US or a foreign planchet.

The hard truth.
Looking at your fourth picture (well done), you can see a gap in the 9 where it has been sliced
pushing the metal down. Sorry but just PMD

Glad that you were able to sell it to someone in the community.

Looking closer at this (as I said, I'm not into nickel dollars), perhaps when they say "missing chrome", they are referring to the striking dies which have a chrome plating. If a part of this fell off somehow, it would leave a small raised area on the coin. This would cause multiple coins to have th...

I have already emailed him Bill but it wouldn't hurt if you did also, you know him better than I do.

Maybe we should get Roger involved with this one, he's the Nickel Dollar expert.
I'll see if I can contact him, not sure if he is away or not.

I’m not really into Nickel Dollars but I can’t see how it could be missing Chrome Plating when there is no chrome on a Nickel Dollar.
Is it possible that it is a lamination problem that can occur on solid alloys.

Photo adequate enough. Sorry but that is a 22 Leave Large 9. Check the opening on the top of the 9, a small 9 is almost closed, a Large 9 is more open. Also if you check the serifs on the 1, on the Small 9 they curve towards the body. On a Large 9, they are square towards the body. Out of curiosity,...

It is impossible to help without a good photo so we can see the detail.
Keep working on your photos.

So what your saying is the holder is worth your 5,999.00 asking price.
So much for the saying "Buy the coin and not the holder"
It is impossible to know how many more are out there that have not been graded.

I should have pointed out in my earlier thread that mine is also a SWL on the front, I thought that you were referring to just the rear. Also it is in MS condition but I never get any of my coins graded so not sure what it would grade. Again, there would be many more of these out there as once the d...

They are not all that rare, I have one myself. It certainly couldn't be the only one to exist.
The rear SWL was caused by die polishing so there would be as many struck as to when the
die was polished and when the die was retired.

Welcome to the forum.

Can you supply a picture of what you think is doubling on your Terry Fox dollar.

What Bill said plus that is Machine Doubling that you see, a worthless type of doubling.