Smithsonian Institution Washington DC Service Tie Lapel Pin 10K GF

A rare opportunity to own a genuine Smithsonian Institution employee service tie tack or lapel pin with a blue synthetic sapphire. Pin does need a little clean up or polish as it has some white residue on the front.  Back of the tie pack or pinback says 1/10-10K Gold Filled, a makers touch mark of CTO for the O.C. Tanner Jewelry Company. Please do review all of the photographs as they are of the actual item you are buying. Note the pictured mercury dime is for size reference only.Please do check out my other items as I am happy to consolidate shipping!This item condition is overall good condition.This item will be shipped via USPS Ground Advantage.IVL - W78