Watch List notes:

Small, natural pearl, Grade 1A, 0.06 carat, ex-Santa Margarita (1622). Roughly 3 mm x 3 mm. Round tiny pearl, iridescent white all over, from a find of 16,000 pearls that were distributed to investors and divers at prices around $2500 per carat! From the Santa Margarita (1622), with Fisher photo-certificate 83782-662.
($125-200)