Koppers Inc 40 Year Service deals Pin

Koppers Inc 40 Year Service Pin

Koppers is a global chemical and materials company based in Pittsburgh, Pennsylvania, in an art-deco 1920s skyscraper, the Koppers Tower.

3 Single Cut Diamonds that are about 2 points each are mounted over the corporated name in blue enamel / 40

Screw post and nut are in good working order.

10K gold 2.2 Grams

10.9mm x 12mm

Reverse: 10K / LG3 / C.P.M

Estimated to have been awarded in the 1970s. deals