Bhadra/Mitra Dynasty, Damabhadra (2nd Cen. BC), Copper Punch-Marked Unit, Obv: Brahmi legend ‘Damabhadasa' in Bottom in horizontal, Ujjaini Symbol in centre & River with fishes top right, Rev: Uniface, 2.36 Gms, 11.50 mm, About Very Fine, Rare. [ Referance – Nidhi Vol. I, Ajay Mitra Shastri & Chandrashekhar Gupta ]