RedstoneCoins ✭✭✭

Coin floats on air! 'Tis a witch-coin! Burn it at the stake! (View Post)

Submerged it in acid to confirm its' Gold content. The good news is that it passed - no tungsten visible in the core. The bad news is that now it will only grade P01 Details, Corroded due to the comp… (View Post)

I just checked my computer for a virus. It told me my computer weighed the wrong amount, and that was causing the issue. Disbelieving the software, I submerged my computer in water to check its' spec… (View Post)

Actually, thank you for mentioning platinum suspension wire for the SG test. I just realized another way to narrow the margin of error for the test: Assuming we are using platinum wire (or any other … (View Post)

When I began to research the specific gravity of an American Gold Eagle, I realized I had to determine what the theoretical specific gravity of the coin should be first prior to testing the one I hav… (View Post)