The elegant American flag tie-tack is handcrafted entirely of semiprecious gemstones.   The stripes of the flag are Mother of Pearl and Red Jasper with fifty white stars engraved in Blue Lapis encased in sterling silver.  

The beautifully boxed tie-tack measures ¾" x   ½". 

Also, available for sale, you will find these  and which coordinate nicely with the tie-tack.