10 Ozt MK BarZ Bitcoin Monogrammed Back Weight Bar. 999 Fine Silver May 15, 2024 ~ admin 10 Ozt MK BarZ “Bitcoin” Monogrammed Back Weight Bar. Awesome detailed back round and very cool Monogrammed MK Back! Hefty & Beautiful bar to add weight & value to any stack! By MK BARZ AND BULLION. MADE IN THE U. Share