This <i>W3C-unspecified</i> <a href="https://en.wikipedia.org/wiki/Vector_images" class="extiw" title="w:Vector images">vector image</a> was created with <a href="https://en.wikipedia.org/wiki/Inkscape" class="extiw" title="w:Inkscape">Inkscape</a> .
SVG made by <a href="https://cs.wikipedia.org/wiki/User:pan_BMP" class="extiw" title="cs:User:pan BMP">pan BMP</a>; original author ?
11 September 2010 (upload date)
own work based on raster image available at <a rel="nofollow" class="external text" href="http://rekos.psp.cz/detail-symbolu/id/eac4bd5b-d3f5-44bf-8ddb-f5c436982c6a">REKOS pages</a>