Item: Vintage Gold Filled Art Deco Heart Shaped Photo Locket & Chain. There are no marks and stamps on the locket. It looks gold filled to me. The chain is stamped GF (Gold Filled).
 
Measurements: The total length of the locket, including bale is 1 & 1/8th inches long. The heart shape measures 1 inch X 1 inch. The chain measures 18 & 1/2 inches long.
 
Condition: Vintage, previously owned. There is no damage to note. There are only very minor signs of age/use/patina.