looking for someone that can help me find the value of an antique all wooden barber chair that was made by Gust Knecht mfg. co. in chicago it was patented in October of 1887. It has a #9 on the back of the chair and is beautifully made. It has beautiful spindles on each arm and beautiful carved flowers on the sides of the chair. It has Gust Knecht mfg co. chicago on the foot stoole and machanical foot petal. What do you think the value is on this and how do i find any information on this?