2013 Casascius 1 Bitcoin funded and graded AU50

Probably the lowest graded 1BTC in existence, with an error in the firstbits.

ANACS cert 6168837

Firstbits are 139zaMCt, NOT f

https://casascius.uberbills.com/?address=139zaMCtMRUqfV3nAVrdEUAsC92m1WrkTz

Will be overnighted to the winner