Ponmalai' has often been identified
with 'Poonamallee' or Poovirundhavalli,
which is presently a suburb of Chennai. But it is also the name of the fortress
at Tiruchchirappalli and it is difficult to ascertain
which of these two places these coins were struck at. The same mint-name has
also been wrongly identified as 'Poonch' and 'Poona'.