Vintage Koken Barber Chair Serial Number List

| Serial Number Range / Format | Approximate Era | Known Model Examples | Notes | | :--- | :--- | :--- | :--- | | | 1888 – 1895 | Model A, Standard | Hand-stamped; very rare; wooden armrests. | | 2501 – 8000 | 1896 – 1905 | The “Crescent” | Transitional cast iron bases. | | 8001 – 15000 | 1906 – 1912 | The “Peerless” | First true hydraulic lifts. | | 15001 – 45000 | 1913 – 1925 | The “Koken Special” | Numbers stamped on a brass tag. | | 45001 – 95000 | 1926 – 1935 | The “Standard” No. 1 & No. 2 | Very heavy cast iron; porcelain armrests. | | 95001 – 150000 | 1936 – 1945 | Art Deco “Streamline” | Porcelain base; smooth curves. | | Letter prefix (A, B, C) + 4 digits | 1946 – 1955 | The “Elite” & “Progressive” | Post-WWII production; lighter steel. | | 6 digits (200xxx – 400xxx) | 1956 – 1965 | The “Imperial” | Last of the true “vintage” era. | | No serial number | 1966 – 1972 | Late models | Quality declined; stamps skipped. |

: The most common location is stamped on the underside of the seat frame or on the wood under the cushion. vintage koken barber chair serial number list

: The most frequent location, stamped on the underside of the wood or the metal seat frame. The iron base casting | Serial Number Range / Format | Approximate

: This is the most common location. You may need to remove the seat cushion or flip the chair carefully to find a stamped number on the wood frame or the metal base plate. | | 15001 – 45000 | 1913 –