Heraclius (610-641), with Heraclius Constantine, AE follis (Bronze, 29,7 mm, 12,50 g), Seleucia or Isaura (?). Overstruc

Heraclius (610-641), with Heraclius Constantine, AE follis (Bronze, 29,7 mm, 12,50 g), Seleucia or Isaura (?). Overstruck.
Obv: Legend blundered, bust of Heraclius with Heraclius Constantine facing, wearing crown and chlamys, cross above.
Rev: Large M between ANNO and III, above cross, A below, mintmark in exergue blundered.
Ref: Sear 844 var or Sear 848 var (?).