date not clear, but possible. Read as year 12 by Emmett 623, but seems implausible in view of what one can see on the rubbing in DS. Years 11 and 15 are also attested, and the vertical mark visible suggests that 15 is also possible. But the coins are so rare that it may be from a year as yet unattested; for instance it could (almost) be read as year 18: LI - Η