An illustration of a celctic knot shamrock. In ireland, symbols like this are a cornerstone of their culture and depict interlocking knots which create images like the shamrock.
This is a completely free image Celtic Shamrock Symbol that you can download, post, and use for any purpose.
Image License: CC0 No Rights Reserved
You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission, and at no cost. This image is completely free.