Watch List notes:

Hispania. Castulo. 1st century BC. Æ Semis (4.31g, 6h). SNG Spain 1377; MAST 1 (this coin). Lovely light green patina. Among the finest known. Choice extremely fine. From a European private collection; former M.B. collection; Numismatik Lanz 1989 (50) lot 6