Watch List notes:

House of Hohenstaufen (1194-1268), Frederick II (King of Sicily, 1198–1250; King of Germany, 1212-1220; Emperor, 1220-1250), Denaro, Messina or Palermo, 1209-1213; BI (g 0,52; mm 15; h 9); FREDERIC' REX, cruciger globe; at sides, two rings, Rv. + C REGINA, star; below, crescent. Spahr -; MEC XIV, 508; Travaini 17.
Rare, dark patina, about extremely fine.