ITALY, Sicilia (Regno). Pietro I il grande (the Great), with Constanza. 1282-1285. AV Pierreale (24mm, 4.38 g, 6h). Messina mint. + SUmmA POTЄnCI'A · ЄST · In DЄO ·/+ · P · DЄI · GRA · ARAGOn · SICIL · RЄX, coat-of-arms; annulet sops / + XPS · UInCIT · XPS · RЄGnAT · XPS · ImPAT/+ COSTA · DЄI · GRA · ARAG · SICIL · RЄG, eagle standing left, head upturned right, with wings spread. Grierson, Coins of Medieval Europe 255; Spahr 4; MIR 170; MEC 14, 6 var. (rev. legend); Friedberg 654. Superb EF.
From the Richard A. Jourdan Collection of Medieval European Coins, purchased from Charles H. Wolfe, III, 2001.
Peter of Aragon and Constance introduced the gold Pierreale to Sicily. This type continued unchanged in design in silver into the 15th century.