Bow: Viola 4/4 Origin: Czech Republic circa 2012 Stamp: T.KOSEJN Stick: Round / Pernambuco Frog: Ebony / Silver / Pearl Garniture: Silver Weight: 73.0 grams Overall condition: Mint - no wear or damage Additional info: Tomás Kostejn is a modern bow maker working in Prague, Czech Republic. His work are to high international standard.