Watch List notes:

Madrid, Spain, gold cob 1 escudo, 169(0), assayer M (facing inward) to right, very rare, NGC UNC details / scratches. Cal-825 (without date); KM-214. 3.34 grams. Very rare with visible date (listed in Calico without date), struck on an uneven planchet with bold partial details including full assayer and some king's name visible, minor scratches in the flat areas. NGC #6444731-003.
($750-1100)