Vintage Sterling Silver Locket Pendant with Engraved Design Siam

Vintage sterling silver picture locket pendant. It is hand engraved and if you look closely on the front you see an engraved woman that looks like a belly dancer with big tah-tahs...and the left one is bigger than the right one...Anyway, the pendant measures 2 1/4" long with the bail. The locket is 1 3/4" by 1 3/8". Photo openings are 1 3/8" by 7/8". 

Marked inside Siam Sterling. C. 1960. Weight: 23 grams. Tarnished. Will polish up.