Platonis
Martyrological notice
The historical Roman Martyrology commemorates Platonis on 4 April. The Latin notice identifies the record as monk. The source places the commemoration at Constantinopoli.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Constantinopoli sancti Platonis Monachi, qui pluribus annis adversus haereticos, sanctarum Imaginum effractores, invicto animo decertavit.