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 Brindisi, 1198-1209; BI (g 0,54; mm 16; h 3); F REX, cross; around, pellets and stars, Rv. + SICILIE, facing eagle with open wings. Spahr -; MEC XIV, -; Travaini 13.
Rare, dark patina, good very fine.