Pirastro Oliv Stiff viola C 21, … Pirastro Oliv Stiff viola D 17, straight Item No. P2202 17 Manufacturer Pirastro Pirastro Oliv Stiff viola G 16 1… Pirastro Oliv Stiff viola D 17, gut, gold, aluminum, straight - without sales packaging × Pirastro Oliv Stiff viola D 17, straight