Feedback is from penny purchases Look at this crook's feedback profile. Almost all are from sellers where he purchased items for a penny....
Good lighting Many reference books on grading suggest that one should use a 100 watt light bulb. http://www.coingrading.com/preface1.html...
Also it might be interesting to note that there was another mint that serves as the 'oldest surviving structure to have served as a U.S. Mint'...
You might speak of the Gold Standard which started in the US in 1900 (according to Wikipedia) and lasted a few decades. At the time (1906) there...
Each chip would have its own unique identifier. This is already done at the pallet and case level of many consumer products. There is a vision...
Thanks for the welcome. Correct. The cost would be justified for high dollar coins. I would certainly reslab several of mine if PCGS were to...
Yeah...I do also. It is called RFID inside each slab to uniquely identify each coin. Very difficult to counterfiet radio frequency. The crook...
Separate names with a comma.
