^Lot 1349 SPAIN, Madrid, cob 8 reales, Philip IV, assayer V (1620s), mintmark MD in monogram reading horizonta

SPAIN, Madrid, cob 8 reales, Philip IV, assayer V (1620s), mintmark MD in monogram reading horizontally, rare, NGC XF 40, finest known in NGC census. Cal-Type 309; KM-74. 27.20 grams. Deeply toned over sharp details in full crown and shield with just the right side of the mintmark and assayer visible to the left, also full cross-castles-lions, thick and uneven flan with peripheral flatness, technically sole finest in the NGC census for examples without visible date (and no dated examples listed for this mint and type).
Please use this link to verify the certification number