Odd Struck Through 1984 Cent

I'm sorry but I have to disagree with you. A struck through cent planchet can have an image of the queen if the object being struck through is thin enough. Coins struck through thin die caps that show the image of the die design is a perfect example. See below mage.



This is the normal reverse of the capped die.



I have also attached an image of a Loon Dollar that was struck through a washer that allowed the die image to transfer through to the blank



So I am not sure why you think an image of the queen can't show from a strike through. I also can't figure why you think a strike through can't affect the rim area. The entire face of the planchet is struck by the die. Anything that is laying on a planchet can be struck into the planchet anywhere on the face of the planchet including up to the edge of the planchet.

Can you tell me why there is finning on the reverse, which is normally caused by excessive die pressure caused by something being struck into my coin?

I have several planchets split after strike as well. The split side of all my examples show a more jagged appearance and weigh much less than a normal planchet. Hanging your hat on the premise that my coin was struck on a split foreign planchet is far fetched although I wish I had one.

Ah, so the best of both possible end members (split planchet versus strike through). Struck through a split planchet, hence the striations on that face. That is a first for me, in Canadian coins...

Thanks Mike.