Czechoslovak road sign from the 1938 law (č. 82/1938 Sb. z. a n.)
<b><a href="//commons.wikimedia.org/wiki/User:Fry1989" title="User:Fry1989"><span style="color:#003384;">Fry1989</span></a></b> <sup><b><a href="//commons.wikimedia.org/wiki/User_talk:Fry1989" title="User talk:Fry1989"><span style="color:#cc111a;">eh?</span></a></b></sup>
<a href="//commons.wikimedia.org/wiki/File:1938_Z%C3%A1kazy_a_p%C5%99%C3%ADkazy_1.gif" class="image"><img alt="1938 Zákazy a příkazy 1.gif" src="https://upload.wikimedia.org/wikipedia/commons/thumb/b/b4/1938_Z%C3%A1kazy_a_p%C5%99%C3%ADkazy_1.gif/100px-1938_Z%C3%A1kazy_a_p%C5%99%C3%ADkazy_1.gif" decoding="async" width="100" height="141" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/b/b4/1938_Z%C3%A1kazy_a_p%C5%99%C3%ADkazy_1.gif/150px-1938_Z%C3%A1kazy_a_p%C5%99%C3%ADkazy_1.gif 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/b/b4/1938_Z%C3%A1kazy_a_p%C5%99%C3%ADkazy_1.gif/200px-1938_Z%C3%A1kazy_a_p%C5%99%C3%ADkazy_1.gif 2x" data-file-width="471" data-file-height="665"></a>