Watch List notes:

Heraclius. 610-641. AE follis (24.5 mm, 7.14 g, 7 h). Constantinople mint, Struck 623/4. anepigraphic, Heraclius standing facing between Martina on left and Heraclius Constantine on right; each wearing crown and chlamys; each holding globus cruciger / Large M; above, [A N] N [O] / +; to left, Sear monogram 23; to right, X / Ч ( = yr. 15 = 623/4 ); beneath, Γ; // CON. SBCV 808; . VF, irregular flan, as typical.

Ex Leo Hamburger 1890's.

This coin comes from a large group of Roman Provincial, Byzantine and Vandalic coins which were part of Leopold Hamburger's inventory. More information on Mr. Hamburger can be found here:https://www.coinbooks.org/v20/esylum_v20n42a19.html