Made by Hamilton Cosco Inc 1963. Model 15S tanker metal rolling chair.Solid and in very good condition. Backrest and seat in tact - no tears rips or runs! The item "Vintage 1963 Cosco 15S Tanker Rolling Office Chair Heavy Duty" is in sale since Friday, September 13, 2019. This item is in the category "Business & Industrial\Office\Office Furniture\Chairs & Stools". The seller is "gordon_lasalle_southbridge" and is located in Southbridge, Massachusetts. This item can't be shipped, the buyer must pick up the item.