Night Child, The (1975)

aka's: Il Medaglione Insanguinato (Perche?!)/The Cursed Medallion/
Together Forever

The titular medallion is a gift presented to young Emily Williams (Nicoletta Elmi). Once the girl places the gift around her neck, she is possessed by the spirit of a dead child who was a murderess. Also stars Richard Johnson, Joanna Cassidy and Ida Galli. (Uncut and in widescreen format).