1999 D Connecticut Charter Oak quarter on proof planchet?

[Sheila ruley]

Is it even possible for a 1999 D quarter to be struck on a proof planchet? The edge looks very mirrored and the middle looks kind of frosty but also very shiny as well. I tried to get a picture of it with it very shiny and with the frosted look as well. With the picture of the two coins, there is a regular Connecticut coin and then my shiny Coin. Notice that on the shiny coin you can see some pink in it. That is from my phone. As I am holding my phone above it. You will also notice that you can’t see the pink in the other Connecticut quarter. What do you guys think?
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[GrumpyEd]

I think it's very unlikely, there's no reason to have proof planchets in Denver plus most of what makes a proof look like a proof is from the way they prepared the die and there were no D proofs.

Beyond that, the normal example in the pics is very abused and beat up, not a fair comparison to "normal". There is a lot of diversity among regular strikes, some D mint nickels and dimes and quarters from that date range look pretty prooflike but are not proofs. And we can't rule out that it could be polished, take a soft cloth and baking soda and they will look very shiny.

So with all of those reasons, a proof planchet or proof prepared die is probably the least likely of those possibilities

[Sheila ruley]

I think it's very unlikely, there's no reason to have proof planchets in Denver plus most of what makes a proof look like a proof is from the way they prepared the die and there were no D proofs.

Beyond that, the normal example in the pics is very abused and beat up, not a fair comparison to "normal". There is a lot of diversity among regular strikes, some D mint nickels and dimes and quarters from that date range look pretty prooflike but are not proofs. And we can't rule out that it could be polished, take a soft cloth and baking soda and they will look very shiny.

So with all of those reasons, a proof planchet or proof prepared die is probably the least likely of those possibilities

thank you for the information. It just looks so shiny that you can see a pure reflection on the edges. That is why I was wondering. I know that it looks pretty beat up. That is what Caught my eye, because of the reflection on the edge. And the extreme shininess.

[mustbebob]

Something else to keep in mind is that proof coinage has squared off rims and it is rather obvious, even on circulated proof coins. Yours definitely has a business strike rim, but I can certainly understand why this one stuck out.

[Sheila ruley]

Something else to keep in mind is that proof coinage has squared off rims and it is rather obvious, even on circulated proof coins. Yours definitely has a business strike rim, but I can certainly understand why this one stuck out.

thank you Bob. I will know what to look for next time.

[jfines69]

That would get my attention also... Nice looking coin!!!

[enamel7]

I think the obvious answer here is that coin was plated at some time
.

[Sheila ruley]

I think the obvious answer here is that coin was plated at some time
.

yep! Even the edge looks new LOL!

[GrumpyEd]

I think the obvious answer here is that coin was plated at some time
.

It's possible.
The online sellers were selling them painted, gold plated and platinum plated. They found all sorts of ways to sell them.

Could be from a set like this:

https://www.ebay.com/itm/1999-Platinum-State-Quarters-Set-w-Certificate-of-Authenticity/223874883466?hash=item341ffb9f8a:g:NNsAAOSw0j5eB7Da