John III Ducas, Empire of Nicaea, AE Tetarteron. AD 1222-1254. 20 mm, 3.29 g. Magnesia mint. 

Two interlaced ornate crosses within angled quadrilobe.
IW DECP downwards to left, OD C downwards to right, emperor standing facing, holding sword and sheath.

Sear 2114; DOC 56.4.

With permission of cngcoins.com, auction 504, lot 556, Nov. 2021.