For sale at a buy it now fixed price is this nice lens made by Sears. It is a f:4.0 80 - 200mm lens. It is an OM mount that will work with Olympus cameras.
This lens is used but in good condition. There are no names or initials on it. It is clean inside and out. There are no scratches in the glass, and no fungus and it is functioning perfectly. :-)