SN, 4843495. 

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Cosmetic condition:

Lens has been used but is in good condition. 
Lens shows light wear on exterior. I don't see anything damaged. Front glass elements are in good condition.  I don't see any scratches on the lenses coating. It has no visible dust dust specs inside. No hazing or fungus. Glass is in very good condition over all. 

Performance:

All lens features work good. Aperture blades are free of oil. Aperture is snappy. 
Everything works as it should. Lens has been fully tested by my tech guys. I guaranty that it will arrive as described on your money back.