From the eBay listing:
Campo Del Cielo Iron Meteorite.
Coarse Iron Octahedrite from Argentina.
This meteorite came from a batch that was recovered deep within the ground and has been protected over the years from weathering. As you can see it's in excellent condition.
Source: eBay seller paolo2008_123
Contributor: Theodore Gray
Acquired: 11 March, 2009
Text Updated: 12 March, 2009