Douglas & McDonnell Douglas 3-pin service set; 10K gold, diamonds & cases. For Sale

Up for sale is a rare, authentic 3-piece employee service award pin set chronicling a 25-year career arc across the historic Douglas Aircraft Company and McDonnell Douglas eras. All three pins come complete with their original vintage presentation cases and clutches/nuts.
•Douglas Aircraft 15-Yr: Solid 10K gold (4.2g), 3 natural diamonds, blue enamel, Robbins hallmark, threaded screw-back, burgundy case.
•​McDonnell Douglas 25-Yr: Solid 10K gold (1.8g), 1 natural diamond, 2 blue sapphire-colored stones, O.C. Tanner hallmark, post/clutch, blue case.
•​McDonnell Douglas 20-Yr: 1/10 10K gold filled (1.2g), 3 green emerald-colored stones, Robbins hallmark, post/clutch, black case.
Please review all photos carefully, as they are an essential part of the description and show the exact condition and hallmarks. Inquiries and questions are welcome prior to purchase.

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