I had a little itch in my brain that elephants wearing bells were some how familiar to me when I included the coin below in my previous post.
I realize it must have been because of the bell on the elephant head on RRC 262/1. The bell must have been a prominent feature on war elephants to make it onto the coin iconography…
addendum. HN Italy 2666 is an AE coin of ~18mm diameter with a bust of Nike on the obverse and an elephant with a bell on the reverse. Trunk curves outwards, not inward. The mint and date is unknown. Two more specimens are in Copenhagen.
Update 6/6/2014: Elephants with Bells also seems to be a Bacrian motif:
8/22/16: and Indo-Greek