ch.svg

<svg xmlns="http://www.w3.org/2000/svg" height="480" width="640" version="1">
  <g fill-rule="evenodd" stroke-width="1pt">
    <path fill="#d52b1e" d="M0 0h640v480H0z"/>
    <g fill="#fff">
      <path d="M170 194.997h299.996v89.997H170z"/>
      <path d="M275 89.997h89.996v299.996H275z"/>
    </g>
  </g>
</svg>