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Evolution of toning on a Kennedy.
Mesquite
Posts: 4,075 ✭✭✭
About two years ago I purchased a completely sealed '64 proof set that contained a toned Kennedy. I removed the set and placed it in one of those Whitman coin-set snap plastic holders - here is the picture.

After about a year I reshot the coin. Sitting in the holder with the rest of the coins in that set in a wooden curio display case. The Kennedy had turned more candy-apple red.

Today I reshot the coin. These colors are spot on. It has darkened, while the rest of the set shows very little (if any) change. The Washie is still mint-fresh silver.


Thought you might find this interesting.

After about a year I reshot the coin. Sitting in the holder with the rest of the coins in that set in a wooden curio display case. The Kennedy had turned more candy-apple red.

Today I reshot the coin. These colors are spot on. It has darkened, while the rest of the set shows very little (if any) change. The Washie is still mint-fresh silver.


Thought you might find this interesting.
There are two ways to conquer and enslave a nation. One is by the sword. The other is by debt.
–John Adams, 1826
–John Adams, 1826
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Comments
Interesting progression of colors...
"Bongo hurtles along the rain soaked highway of life on underinflated bald retread tires."
~Wayne
Toned Coins for sale @ tonedcointrader.com
–John Adams, 1826
Very pretty in its current state.
Scott
Toned Coins for sale @ tonedcointrader.com
while it still looks good
–John Adams, 1826
US and British coin collector, and creator of The Ultimate Chuck E. Cheese's and Showbiz Pizza Place Token & Ticket Guide
–John Adams, 1826
<< <i>About two years ago I purchased a completely sealed '64 proof set that contained a toned Kennedy. I removed the set and placed it in one of those Whitman coin-set snap plastic holders - here is the picture. ... >>
So are Whitman coin-set snap plastic holders known to cause toning like this?
Or is this unusual?