Nice, looks SD to me.
I am using Klean Strip brand Acetone and Xylol from my local big box home improvement center. (Both are available from the orange-white one and...
Xylene is part of BadThad's fabled Solvent Polarity Ladder. Acetone is excellent for removing PVC while Xylene is excellent for removing oils. But...
If it was mine and I didn't care about a grader's opinion: Distilled Water => Acetone => Xylene => Acetone => Verdicare. The DI for just a...
Where were they stored? Was temperature and humidity controlled? I'm also curious if there might have been any nearby lighting and plastics/resins...
No it doesn't and certainly not by stable economies. Check out this list of currency redenominations and tell me which example you'd like us to...
Money can't simply be automatically re-valued without destroying the economy! I'm surprised how many times I see this posted on coin collecting...
As I've posted here before, we need to move the decimal and get rid of the penny, nickel, and quarter. This will necessitate a nickel-sized...
I like the bag idea, but why not make it a sealed ziplock and put a silica dessicant in with it to further lower the humidity? (I've always...
A set of keys is much more than a fob. And who carries an average number of bills? I often have as many as 10 one dollar bills at at time. Likely...
The problem is that the dollar coin is too large and bulky. I can easily carry 10 or so bills in a wallet, but for those of us that don't prefer...
Are these pre-1982s? Just wondering if the puffyness is a result of the plating detaching from the zinc beneath or something else.
Is the math correct? 1,707,000 troy ounces = 117,051 pounds, or about 60 tons. The article also mentions 130 lbs, which would be about $3...
Has the copper plating (post 1982/3) been relieved of the zinc as a bubble?
Separate names with a comma.