Has the United States ever identified a moneyer on our coins?
The identity of the moneyer or mintmaster on a coin dates from the time of the ancient Greek city-states; however, the United States has never marked our coinage with some indication of who was responsible for the finished product.
Why would a coin be graded Proof-55? I thought proofs were graded between Proof-60 and Proof-70.
Any proof coin certified by a third-party service to be in less than Proof-60 “condition” has problems, likely from having been mishandled