MOBAY Logo Cross Lustrous Chrome Century Mechanical Pencil.

Mobay Chemical Corporation, based in Pittsburgh, Pennsylvania, was a joint venture of Monsanto Company and Bayer to market polyurethanes in the United States. Founded in 1954, Bayer bought out Monsanto's shares in the company in the 1970s.

This pen was found at a recent estate in the St Louis area near where Monsanto was headquartered.

We are not entirely sure which lead this mechanical pencil takes but other auctions with similars Cross pencils indicated 0.7 mm.

Will ship USPS first class with tracking to winning buyer