Empire of Nicaea, AE tetrarteron, anonymous issue. Magnesia ad Maeandrum mint. AD 1227-1261. 21 mm, 2.61 g. 

Flower with six large and six small petals.
B and retrograde B.

Sear Byz 2156; DOC IV-2, 8.

With permission of Numismatik Lanz auction 161, Lot 547, Dec. 2015.