Watch List notes:

Constantine V (741-775), AV Solidus, 4.40g, Constantinople, officina , facing busts of Constantine V and Leo IV, each wearing crown and chlamys, pellet between heads and cross in field above, rev. facing bust of Leo III (BMC 7-10; Sear 1551), better than very fine.
provenance
Penkill collection
Estimate: £300 - £400