Beautiful Vintage Heart Locket Pendant With Small Genuine Diamond Chip ( Tested). Locket Done In 14k Gold Filled Yellow Gold , Stamped Inside 1/20 14k . Its Inscribed “ Nine” In The Back, Possibly A Number Of Significance To Someone. Also, Possibly A Variation Of A Name Nina ? You Decide ! While The Heart Pendant Is Made Of Gold Filled, The Chain Is Not. I Am Unsure The Chain Metal, But It Does Show Some Color Loss Is Some Places. This Set Came To Me This Way & I Rarely Alter Antique / Vintage I