STD or PMD?

Meow has found this quarter CRH yesterday. Meow is thinking it might be PMD because the number nine is still a bit visible in the crater. Meow was under the impression that a STD this large would not allow a transfer of the device under it.
What do you guys think?

 

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STD? What does that mean?

Looks like a Strike Through to me.

 

I think he means struck thru date. Whatever that is.

Looks like a struck thru something. Nice find!

 

But it could also mean Sexually Transmitted Disease in the cat world!!

 

Strike Through Debris??????
Even if you can see part of the nine in the bottom of the crater??

 

This is definitely more appropriate!

Chris

 

I see the nine. With a STD coin the Debris is usually a grease-like substance. The field surface and the design features surface are subjected to different pressure during the striking of the dies. And so would any debris on the die.
A Struck Through Foreign Object that is harder than the coin metal it could prevent the nine for showing. A Unretained Lamination can show design details under the Lamination peal.

 

Or the real world.

 

Here's another STD...............it happens. Penicillin can fix it!

 

So there is no chance its PMD?

 

It might be ESPN

 

I think it is a Struck Through Debris.

 

STD could mean Struck Through Damage. I realize that we're dealing with a cat but .....