Watch List notes:

TAXILA: post-Mauryan, ca. 2nd-1st century BC, AE square unit (4.05g), Pieper-1153 (this piece), stylized nandipada within incuse square, 4 incuse pellets around, uniface; unique, no other specimen of this type has been published, VF, RRR. Assignment to Taxila is uncertain, could be another location that rarely issued its own coins.

Estimate: 180-220 USD