You're looking at the Mamiya 645 Pro 80MM F1.9 "C" Lens. This is a much sought-after lens and is the fastest that Mamiya made for their 645 systems.
This lens is in Excellent Condition and shows normal wear. No haze, no fungus, no separation, and no dings. Aperture is snappy as well with no oil on the blades. Comes with both front and rear caps as well as the lens hood.
WE SHIP IN 1 BUSINESS DAY as well we package professionally. We are also interested in BUYING your photographic equipment as well. We are Camera Exchange in Waterford, Michigan.