This icon is named "mail mark important" and is licensed under the open source "GNU General Public License v3.0" license. It's a colored icon however because it's a solid icon, the color can be changed quite easily. It's part of the icon set "Faience Icon Set", which has 510 icons in it. It should be pretty straght forward to download this icon as an SVG image file, and then import it into Adobe Illustrator, Fotor, Pablo or Photoshop.
This icon can be used for both Personal & Commercial purposes and projects, but please check the license to see if the designer is requesting attribution (for example, a link back to their website).
It was added to Iconduck on: 22 February, 2021
Some use-cases for this icon include:
