Watch List notes:

Bolivia 1859 PAZ P (Ag) 1/2 Sol (KM-132): Very rare; 2 pieces known previously, this coin is the third, a choice example for this coin in mint state, fully struck with very sharp details all around; smooth and lustrous silvery/gray surfaces; possibly the finest known. Finest graded at NGC.
NGC MS 63
NGC Certification : 3638048-002/63