Watch List notes:

ANCIENT COINS, THE COLLECTION OF A CLASSICIST (PART III), Heraclius (AD 629-630), Æ Follis, Heraclius, wearing a crown and military attire, holding a long cross and a sword, his son wearing a crown and chlamys, and holding a globus cruciger, rev large M, ANNO on left, XX on right, a cross above, officina A, CON in exergue, 11.92g, 12h (cf S 610, unlisted variant, Heraclius holding a sword; see NC, February 2001, p.5). Good fine, very rare.
An example of this variant sold for £1200 (plus premium) in Morton & Eden auction 68, 10 October 2014.

Estimate: £500-700