Watch List notes:

Potosi, Bolivia, cob 8 reales, 1638TR. S-P27; KM-19a; CT-481. 26.56 grams. Full four-digit date due to poor centering on cross side, well-centered but mostly flat shield with top of assayer visible, thick, round flan, quite worn (VG), with toning in crevices.
($250-375)