Possibly Iskander himself gazed upon the statue or wall that contained that fragment of blue wing.
It’s possible. A month or two back I was reading all the accumulated titles on the various buried cities of Vesuvius. One of the great houses in Herculaneum was identified as having belonged to Julius Caesar’s father in law, and a brazier chipped out during the excavations was probably used by Caesar to warm his hands as he entered the house during one of his numerous visits.
Michael Wood’s “In the Footsteps of Alexander the Great” is a cool documentary (despite Wood’s anti-Israel BS and over-reliance on at least one unreliable source) and his aim (as the title suggests) was to literally follow Alexander’s route. The one place in the world where it’s actually possible to follow his route within inches is the temple in Siwa, Egypt, which survives, and the front entrance isn’t very wide. :’)