Crossing a pencil with a fountain pen. Composite of two images. The pencil is pencil-yellow-writing-write-tool-33449 from Pixabay in Public Domain from ClkerFreeVectorImages (Thank you:) ), and the fountain pen is File:Pelikan-Kolbenfüller.jpg by Lothar Spurzem and licensed under the Creative Commons Attribution-Share Alike 2.0 Germany license. Hence, the composite is also licensed under the Creative Commons Attribution-Share Alike 2.0 Germany license.
Many but not all of the images on this blog are under a Creative Commons License. If and only if the image above is under a Creative Commons license, you can find details for the different licenses at the Creative Commons. The most common licenses are Attribution CC-BY 2.0; 2.5; 3.0; and 4.0; and Attribution Share Alike CC-BY-SA 2.0; 2.5; 3.0; and 4.0;