15 Puzzle Series 11 Silver.png
- Published on September 10th 2026 under the Release to Public Domain license.
- Designated to be used as <not set> icon.
- Icon for Windows XP, Vista and 7.
A 3D rendering of a classic 15-puzzle featuring polished silver tiles numbered one through fifteen on a light background. The bottom-right position in the 4x4 grid is left empty.