Does PCGS grade zinc rot/bubbles coins

Very very cool, thank you very much for the defining explanation. Because the whole reason I put this post on here is because I had read three articles that said those bubbles are the beginning of zinc rot and after they are encapsulated they pop open and will rot over time.
That's why I like to ask the questions because there's so many different opinions or experiences that people have oh, so I like to find out the truth of what everybody has to offer. Thank you guys very much for the explanation.
And also, a lot of people say they don't clean your coins except maybe in mild soap and water, etc...
And then I've heard that cleaning a coin is also referred to as dipping. The exact same thing right? PCGS website states that it's okay to dip a coin as long as it's not too much.

 

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I would think not. What a waste of time and money to grade a coin that will never be worth more than face value.

 

So a type 2 variety will never be worth more than face value?
How about an 84 does ear, or an 83 DDR.
Most of these examples have a bubbled finish. Zinc Rot is a different story. They may garner a lower price but will always have a value depending on the amount of damage.

 

Cleaning with soap and water is never recommended, except perhaps by metal detectorists who have a coin of low value that is encrusted with dirt from being buried.

Ordinary coins may be gently rinsed in distilled water, acetone, or xylene. Each has different chemical characteristics, but act to dissolve organic material that has accumulated on the coin - without reacting to the metal.

Dipping is different. It involves a reactive chemical that may damage the coin. The coin is dipped momentarily to remove tarnish or other non-organic material from the metal surface.

Other respondents may explain this better, but there are many threads here about this subject.

 

I said it's a waste for a coin that will never be worth more than face value. I said nothing about varieties, bubbled finishes or zinc rot.

 

I thought of that after I posted my response. The coin in question is an 88D type two rev. of 89. And it does not show any zinc rot. It shows plating blisters. Which are perfectly acceptable for slabbing.

 

Agreeded

 

I cant tnink of any Zincolns that are valuable enough, even in the highest grades, that they would be worth the cost of grading.
Maybe if you had a rare error, in otherwise high grade condition?
The problems are inherent to the coin, like the Classic Head Large Cent. I just cant think of any reason to bother.

 

For most you are correct.
It usually takes an MS68 or better for it to be worth it.
Above is only in RD,
RB takes a big dive. And you can forget about brown unless it is a variety

 

Common sense tell me that plating blisters are not damage, it is an artifact of the plating process, and if these coins are protected, there really is no damage. However once zinc rot sets in, it IS damage and no TPG would grade it.

 

These are quite common from the mid 80's to early 90's.

 

Pcgs says they only have graded four.
Nice one Robec!
These do actually come very nice.
I have pulled from circulation 90D's in Gem state.

 

I only have Wheaties up to 1952(my birth year , no 1909s yet) . 2016w Gold Liberty Dime is my only slabbed coin SP70 PCGS , I'm a circulated collector . I like to imagine how and what people used them for and what the change might have been .