Watch List notes:

House of Hohenstaufen (1194-1268), Conrad I (King of Sicily, 1250-1254), Half Denaro, Messina, 1250-1254; BI (g 0,25; mm 12; h 6); + CONRADVS, cross with little rhombus in second and fourth space, Rv. + IERL' ET SICIL', in field, RX, above, Ω. Spahr -; MEC XIV, -; Travaini 52a.
Extremely rare, dark patina, extremely fine.