Watch List notes:

GREECE: ΚΑΣΤΡΟ (ΘΑΣΟΣ) / Kastro (Thasos). "ΑΘ/ΧΚ" (ΑΗ ΘΑΝΑΣΗΣ ΧΩΡΙΟΥ ΚΑΣΤΡΟΥ / Saint Athanasios of the village of Kastro) (Wilski G 1-55) countermark on obverse of 20 pa (1277/4). Fine.