1978 cent... what happened?

Is this over polished dies, acid dipped, road rash or just a bad planchet to begin with?

 

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Extremely worn die strike.
With a bit of circulation wear.

 

That cent has bee Whizzed,
aka; wire brush or similar.

 

Looks like someone used a rotary wire brush on it. Fred beat me to it. "Hi Fred"

 

Do I hear a "ground down, AND worn, AND acid-dipped"?

 

Looks like the ones I used to use a Brillo pad on as all the scratches also go over the rim, in multiple directions.

 

Looks like a that coin cleaning acid garbage on ebay. You know, the stuff that completely etches the surface, AND you have to use steel wool or a steel wire brush in order for it to work effectively? God, I HATE that stuff.

 

It sounds like you've got a particular product in mind. Link?

 

Ill find a link

 

I think this is it. Rides on the success of nic-a-date

https://www.ebay.com/itm/Nic-A-Spra...356973?hash=item4b5e393e2d:g:vloAAOSwy2NcbtpD

 

WAIT!
Thats the wrong one!

 

Here it is. Basically PMD in a bottle.

https://www.ebay.com/itm/Nic-A-Pak-...396444?hash=item4b5e39d85c:g:m4gAAOSwZcZcbtnr

 

The stuff that once you read the directions that tell you in the fine print, to wear a respirator and wear rubber gloves and you have done neither..........

 

Don't worry, I've used nic-a-date a thousand time, and haven't ended up in the hospital yet! Still waiting for that fateful day when I need a CAT scan for one thing, then it turns I have brain cancer though... (BTW, I do use gloves, but not a respirator).

 

Acid

 

I'm with @Fred Weinberg and vote for wire brush in a misguided attempt of cleaning the coin.