certificate seal - public domain clip art image @ wpclipart.com

Edit this image with online wpclipart editor

<a title="certificate seal image @ wpclipart.com" href="http://www.wpclipart.com/education/awards/ribbons/certificate_seal.png.html"><img src="http://www.wpclipart.com/education/awards/ribbons/.cache/certificate_seal.png"></a>