Winter's Cutter Axe Skin
From Guild Wars 2 Wiki
“Double-click to consume.
Seasonal. For sale only during the Wintersday season. Use anytime to upgrade the appearance of an axe. Usable only by axe wielders.
— In-game description
All Wintersday wooden weapons have a wintery snowflake glow as well as a pulsing white branch design. The axe's branch design sits at the center of the axe head. A picture of the axe's glow can be seen here.