Vintage Hickok USA Cufflinks gold silver black

Vintage signed Hickok USA cufflinks from the mid-century. Featuring a two tone metal over Black insert that makes a diamond pattern, so you have the gold edging all around the square silver insert. Finished with the traditional cufflink mechanism. It has some surface scratches, wear on gold plating. Good overall condition. Measurements are approximately: 5/8" in Length + Width, 1/8" Deep