It is easy to put a border around this flag image
Bandiera_del_Regno_di_Sicilia.svg
Arms_of_the_Aragonese_Kings_of_Sicily.svg
Bandiera_del_Regno_di_Sicilia.svg: Oren neu dag
Arms_of_the_Aragonese_Kings_of_Sicily.svg: Heralder
derivative work: Luigi Chiesa (talk)