Comparing it with adult specimens (the most famous of which is known as Lucy) should show the way that A. afarensis grew from childhood to adulthood, particularly the way the brain grew.
Lovers of "I Love Lucy" also have long cherished the unforgettable 1957 episode of that series in which TV's Superman (George Reeves) rescues Lucy (Lucille Ball) after one of her harebrained schemes backfires.
Jurors were shown two hours of police interviews in which Ms Dunford recalled how she had discovered Lucy at about 15:00 BST on 2 February in her Pelwood Road home.