c. 1885 – 1888 (Introduction of swiveling features).
Note: These ranges are approximate. Serial formats changed over time and Koken sometimes used model numbers or patent numbers instead of continuous serials. vintage koken barber chair serial number list
Because no official book exists, collectors rely on shared data. Below is a list of known serial numbers and their associated patent dates/models to help you compare. Serial formats changed over time and Koken sometimes
❌ Higher serial number always means newer. ✅ Fact: Koken reused number blocks after model changes. ❌ Higher serial number always means newer
The Koken barber chair is a timeless piece of furniture that holds significant historical and nostalgic value. This report provides a comprehensive list of serial numbers for vintage Koken barber chairs, which can aid collectors and enthusiasts in identifying and dating their chairs. If you're a collector or restorer, it's essential to verify the authenticity and accuracy of the serial number, as some chairs may have been refinished or reassembled with incorrect parts.