1222-1254 AD., Byzantine Empire, John III Ducas (Vatatzes), emperor of Nicaea, Magnesia mint, Æ Tetarteron, Sear Byz. 2116.

Byzantine Empire, John III Ducas (Vatatzes), emperor of Nicaea, Magnesia mint, 1222-1254 AD.,
Æ Tetarteron (ø 18-20 mm / 2,10 g), bronze, axes coin alignment ↑↓ (ca. 180°),
Obv.: A (in a circle) – {Pω} , nimbate facing bust of St. George, holding spear and shield; monograms flanking.
Rev.: Iω / ΔЄC / Πo - O ΔV / K / A / C , half figure of John III standing facing, holding sceptre and globus surmounted by patriarchal cross.
DOC 58 ; Sear Byz. 2116 ; old Sear Byz. 2054 .

From https://en.wikipedia.org/wiki/John_III_Doukas_Vatatzes , https://orthodoxwiki.org/John_III_Doukas_Vatatzes : Emperor Saint John Vatatzes the Merciful ((Greek): Ὁ Ἅγιος Ἰωάννης ὁ Βατατζὴς ὁ ἐλεήμονας βασιλιὰς[1]), also John III Doukas Vatatzes ((Greek): Ιωάννης Γ΄ Δούκας Βατάτζης) or John III Vatatzes, was the Emperor of Nicaea from 1221 to 1254 and one of the most remarkable among the successors of Constantine the Great, being the chief architect of the restored Byzantine Empire, and a respected leader who encouraged justice, charity and a cultural blossoming. He was born ca.1192 in Didymoteicho and died on 3 November 1254 in Nymphaion.