Watch List notes:

Potosi, Bolivia, cob 4 reales, 1702 Y, NGC AU 55, finest and only example in NGC census. S-P43a; KM-30; Cal-1154. 13.56 grams. Roundish flan (beginning a chunkier style) with one full pillar and nearly full waves, about half of the cross, bold date and assayer, the peripheries flat but all somewhat lustrous and lacking wear, very scarce.
($150-225)