Late Period, 664-32 BC. Carved wood, gessoed and painted and some detail remaining, the Ba Bird was mounted to the lid of the sarcophagus and believed to hold the Ba of the deceased. The Ba, consisted of the elements of the soul which distinguished the deceased as an individual approximately equivalent to personality. It was believed that after death, the Ba would fly to the Afterworld ab reunited with the Ka, which was the essence or characteristic of life thus rekindling life and making the being whole. 2 7/8” length.