"61 EBO Pickup #25 Reused?

[Grog]

This Pickup posted on eBay has etching on the back, "#25 Reused". The seller seems to find it puzzling & so do I. Any ideas what this could mean?

http://cgi.ebay.com/Gibson-Bass-Pickup-1961-EBO-/220701389883?pt=Guitar_Accessories&hash=item3362d3f43b

[sniper]

not a clue but i wish i had a vacuum forming machine, i would make those covers.

[Dave W]

Could the bass it came from have been a salesman's demo or even a prototype of the SG style EB-0?

Probably didn't mean a rewind.

[eb2]

I would not be surprised if Gibson pulled it from another bass - EB2 or something that got wrecked in the factory - and reused it in that EB0.  I think Gibson did stuff like that all the time, and left half-finished stuff lying around for years, then sent it out with serial numbers or whatever out of whack with the period.