Buy in 14K Gold. The key is a symbol of hope and the possibility of discovering our stories, memories, and history, waiting to be unlocked. Click [here] to discover the full story of how and why this piece came to be. Each earring measures approximately 1" long by 1/2" at its widest point and weighs 2.05 grams in bronze; 2.3 grams in sterling silver (about the same as one penny). Each hangs from gold-filled or sterling silver ear wires. All our ear wires are nickel-free. Shop MIMOSA's Key Collection & Texas Collection. Made by hand in our South Louisiana studio. Each piece varies slightly due to its handmade nature. *Note: Sterling Silver and 14K Gold prices may vary due to fluctuation in the gold and silver markets.