Where do you find the manufacturing date on a Theo a Kochs barber chair?

The manufacturing date on a Theo A. Kochs barber chair can typically be found on a metal plate or sticker located on the underside of the seat or the base of the chair. It may also be inscribed on a label near the hydraulic mechanism or on the back of the chair. If you cannot locate it, checking the manufacturer’s documentation or contacting the company directly might provide further assistance.