The gallery possesses a number of copper plate grants of the Bhaumakara rulers. Among them the Copper plate grants of Sivakara Deva, Santikaradeva, Dharma Mahadevi, Dandi Mahadevi appear to be very important from epigraphical point of view. The copper plate grant of Sivakaradeva recovered from the village Chaurasi in Puri district gives the genealogy of the Bhauma rulers in the prasasti. The names of mothers of successive kings of this dynasty have also been indicated in this charter.