Are carbon spots usually brown or green-brown? If so I'm assuming they would just be copper oxidation. 2 Cu + O2----> 2CuO In which case, I...
On the submission form you can indicate the minimum grade. Basically, if you have a ms-70 sgs coin, and you think it is an ms-60, then on the form...
I have a 1976, perfectly uncirculated star note with the serial number : C 00571157 star.
If you send the coins in the holders, Anacs will take them out for you, which prevents you from causing any damage to the coins. It doesn't cost...
sgs grades everything at ms-70. Definitely overgrades.
gdjmsp showed me the following website: http://www.heritagecoins.com/common/auction/pricesrealized.php it is free to sign up for, and has...
Do carbon spots only appear on certain types of metal? If so is it a result of oxidation?
Well, they were shipped off to Anacs this morning, 2-day express as I'm eager to find out what they get graded. : )
That makes perfect sense. Thanks for the history lesson. I genuine appreciate it.
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