A nice touch is the black and silver contrast on this particular charm design.
Item Tag: Engraved_Dog_Tags
Heartfelt Message Dog Tag Necklace for Him – Adjustable Chain & Durable Design
You will find that the black surface resists fingerprints better than shiny metals.
Durable Black Dog Tag Necklace for Men 20 Inch Curb Chain Comfortable Wear
You will find that the black finish on these tags goes well with almost any bag or accessory.