Check the listing for details. Vintage Dual Chinese Dagger With Sheath. Condition: Used. Listed at 199.00 USD. The Vintage Dual Chinese Dagger with Sheath is a rare and unique collectible item that features a pair of Chinese daggers, known as "Dao" or "Kuwaioh" knives. These daggers are traditionally used in Chinese culture as weapons and tools. The antique design and craftsmanship of this item make it a valuable addition to any collection of knives, swords, or blades. The sheath included in this set adds to its functionality and authenticity, making it a must-have for collectors interested in traditional Chinese weaponry.