The 2016 W Walking Liberty Gold Commemorative with Box and COA (Certificate of Authenticity) is a valuable and sought-after coin by collectors. It was minted by the United States Mint to commemorate the 100th anniversary of the design of the Walking Liberty half dollar.

Here are some key details about the coin:

• Year: 2016
• Denomination: $10
• Metal: Gold
• Weight: 27.07 grams
• Diameter: 27 millimeters
• Mintage: 750,000
• Mint Mark: W (West Point Mint)

The coin features a high-relief portrait of a walking Liberty on the obverse side and an eagle on the reverse side. The coin comes in a special packaging with a certificate of authenticity, which adds to its value and collectibility.

Here is an approximate value for a 2016 W Walking Liberty Gold Commemorative with Box and COA: