WOW....nice find, these are tough! Looks to be AU, valuable coin! I traded several nice MS Morgans for mine. CONGRATS!
There is little value to a 1964 cent. You can go into most any coin shop and buy a really nice one for 25 cents or less.
Ran a quick experiment today on the FTIR-ATR. As I already knew, BZT produces a strong IR spectrum. I made a strong solution of BZT in methanol...
I've always considered metal-surface reactions as ionic not covalent. Nitrogen is a tricky thing, it does strange things with electrons. @Kentucky...
Benzotriazole/tolytriazole (isomeric mixture of triazoles) will remain on the surface after using a solution and drying. It's a pretty good...
Acetone Structure: [IMG] MEK [IMG][IMG] MEK is slightly less polar than acetone due to the addition of a methyl group. For coins, I don't...
Weak strike, love those frosty fields!
Why didn't he just go ahead and commit car theft, a rape and a murder in there so it sounds more complete?
Sounds just like the "Tribute Gold Buffalo" sold on TV! I'll convert for folks, that's a whopping 0.071g of silver about 81 cents worth.
I liked it better before cleaning.
The best and most responsible disposal tool is a hot, concrete surface with full sun. Just pour it out and POOF. It has to go somewhere -- and the...
NICE 1918!!!
63-64RD, common coin.
Filled die, fairly common.
There is no such thing as AT, either a coin is market acceptable or not.
PMD
GREAT deal for 15 cents!
Your organic-based residue holds additional water, never allowing it to fully evaporate. That's why your haze doesn't return after "drying". Try...
Those pics grab the luster well! Nice job, I like seeing those cartwheel spikes. 1946S is tough - lots of bad strikes or black spots. Here's a...
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