Tortola (British Virgin Islands)
Tortola, 4 shillings 1-1/2 pence, countermark TORTOLA inside contoured rectangular indent (Type I, 1801) on a 1/2 cut of a Mexico City, Mexico, bust 8 reales, Charles IV, 1791FM, rare, NGC VG 6, c/s UNC standard.KM-7; Prid-1.12.82 grams.Very deep full countermark on reverse of worn host with faint but discernible assayer on that side and bold date on other side (rare thus), with attractive old toning.
Estimate: 600-900 USD