...respectfully disagree...i doubt it has exceeded 40% possibly 50% but doubtful...not all high end coins r destined to be graded nor do their owners so desire...in the not too far distant past i privately purchased a grouping of 5 US coins over 150 years since mintage that would grade in the ms65-67 range, same date, mint, denomination...this coin is considered one of the key dates for its respective series n is still currently reflected in the "red book" with a dash in the mint state column n none have been certified by any of the tpgs in mint state, i "placed" 4 of the 5 in private collector hands where they remain n to date none have been certified nor do i expect them to be at anytime in the foreseeable future...having the coins made public does not enhance their relative value...n the collecting community need not be privilege to the particulars of this information, its private...