Questions and Answers

I have some China pandas ms70 PCGS, They look like they have milk on them inside the slab. I was wondering if this was a common thing or not? Does that happen to silver over time?

Asked by Chris Paradise on Nov 19, 2019

Hi, Chris! Unfortunately milk spots on silver are not that uncommon. The reason for them to appear traces back to the minting process. At some point of the process blank planchets get treated with chemicals and washed afterwards. Sometimes detergent residue stays on planchets without being visible to a naked eye. Depending on what conditions a coin gets stored in the spots take different time to appear. I can totally see how frustrated someone can be after seeing spots developing on what used to be a perfect slabbed MS70 coin. Obviously milk spots make eye appeal worse which normally brings the value of a coin down.

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