And they say us old guys can't learn...:)
Best wishes for recuperation...been there done that.
I've had good success using LSD...just kidding, never did psychedelics.
Why a premium...because some people will pay.
Actually most vinegars are 5% acetic acid. Pickling vinegar I have seen at 7%, but the usual white stuff is 5%.
I would guess a limit of 50 and $8000 since I have no idea of what you are talking about.
Since I don't notice any significant notching at the corners where I would expect to see it, and the doubling appears kind of flat, I would...
Pretty much anything you use to alter the surface of a coin lessens it's numismatic value. That being said, if you uncover a key date or variety,...
Actually a mixture of baking soda and washing soda is the recommended treatment. (Sodium Bicarbonate and Sodium Carbonate for you chemists out there)
Do you have guns in the house? :)
I have many things on me nowadays that are too loose.
Thank you, you know I have enormous respect for you....Yuge, I tell you, Yuge:)
BTW, BlueRibbon/Coin Care is oil. All hydrocarbon (C and H) solvents. Protects by coating and keeping air away, AFAIK.
I just liked @Insider's post...was that sarcastic?:)
Thanks Books and penn...I stand corrected, I was looking on the reverse...senior moment. It changed in 1968...I was only 23 years old then.
I have to differ with you on this. Plasticizers for PVC are fairly high molecular weight compounds that tend to be oily (dioctyl phthalate or DOP...
In 1992, quarters made in Philadelphia didn't have a mint mark.
https://en.wikipedia.org/wiki/Sodium_sesquicarbonate
Wash well with some dilute sodium bicarbonate (bicarbonate of soda, baking soda), rinse well with COPIOUS amounts of water, distilled water rinse...
Verdigris and PVC slime are two different things. The tests for plastic type above are good, but overly complicated. If you want to test, try...
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