644-645 AD., Constans II., Constantinopolis mint, Æ Follis, Sear BC 1004.

Constans II., Constantinopolis mint,
Æ Follis (18-24 mm / 4.01 g), 644-645 AD.,
Obv.: [InPЄR COnST] (or similar) , facing bust of Constans with a globus cruciger in the right hand. Rev.: large M, [A] / N / A to left, NЄOC in exergue; [above, cross]; to right, I / II / I (regnal year 4 = 644-5); beneath M, officina letter A.
Sear BC 1004 (regnal year unlisted) ; DOC 5a (Heraclonas) .

Lawrence Woolslayer: Both sides of the coin are read to form the full legend; most unusual.
INPER CONST ANANEOC (ANANEOC means renewal or restoration.)
Imperator Constans Restored (or Renewed or similar)