I know that NGC and PCGS will occasionally mislabel coins, but I was wondering if they would mislabel 1965, 1966 and 1967 SMS coins as MS or MS as SMS.
I'm sure it's happened. If they mislabel "PR" coins as "MS" coins - Which I've seen - I'm sure they do the same with "SMS" coins to "MS", or vice versa. -Brian
I'm sure it's possible. But with those coins (meaning SMS coins) it's even worse. There have been cases where SMS coins were mis-attributed as actually being MS coins, and cases where MS coins have been mis-attributed as actually being SMS coins. In other words it was NOT a label mistake.