Your search for "mixed metal dog tag" revealed the following:

Copper Flower Dog Tag, Large Dog Tag in Copper, Sterling Silver and 22K gold — $649

Honeybee Dog Tag Necklace, Rutilated Quartz Dog Tag Necklace, One of a Kind — $799

Emerald Flower Necklace, Dog Tag Necklace, one of a kind — $499

14K Coffee Cup Charm, Solid Gold Coffee Dog Tag Charm, One of a Kind — $399

Pink Sapphire Dog Tag Necklace, Flower Necklace, Sterling Silver 14K Solid Gold — $569

14K Heart Charm, Solid Gold Heart Dog Tag Charm, One of a Kind — $369

Kiss Me Conversation Heart Dog Tag Necklace, Handmade, Sterling Silver — $89

14K Flower Charm, Solid Gold Daisy Flower Dog Tag Charm, One of a Kind — $399

14K Dog Tag Necklace, Christmas Holly Necklace, Solid Gold, One of a Kind — $749

Yellow Daisy Citrine Flower Dog Tag Pendant Necklace, 14K Solid Gold and Sterling Silver — $399

14K Diamond Snowflake Necklace, Dog Tag Necklace, solid White Gold — $1,399

14K Paraiba Tourmaline Necklace, Rose Gold Dog Tag, One of a Kind — $5,000