zhè bǎ bǎojiàn yǐjīng yǒu sānqiān nián de lìshǐ le.
This sword already has three thousand years of history.
Tips
culture
宝剑 carries connotations of heroism and valor in Chinese literature. Famous idiom: 宝剑锋从磨砺出 (a sharp sword comes from grinding) — success comes from hardship.