Here is Olympus OM 75-150mm f/4 lens for sale.

It is in good shape and fully functional, but optics has some haze and fungus, no scratches. Aperture, zoom, and focusing rings rotate well. Aperture blades are cleaning move smoothly. It does not come with caps, but it would be packaged and shipped securely.

Please review the pictures and description and let me know if you have many questions, I will try to respond asap.