Italy, Kindom of Sicily. Frederick II. 1198-1250. AR denaro (18.6 mm, 0.71 g, 2 h). Messina mint, Struck 1221. â¢Râ¢EX SICILâ¢, crowned imperial eagle facing, head left, wings displayed / â¢Fâ¢IPERATOR +, cross pattée. MEC 536; Spahr 107; Biaggi 1254. Fine.