<a href="https://en.wikipedia.org/wiki/Flag_of_Bulgaria" class="extiw" title="w:Flag of Bulgaria">Flag of the People's Republic of Bulgaria</a> in 1948
<a href="//commons.wikimedia.org/wiki/User:B1mbo" title="User:B1mbo">B1mbo</a>
2007
<a href="//commons.wikimedia.org/wiki/File:Flag_of_Bulgaria.svg" title="File:Flag of Bulgaria.svg">Flag of Bulgaria.svg</a>, <a href="//commons.wikimedia.org/wiki/File:Coat_of_arms_of_Bulgaria_(1948).svg" title="File:Coat of arms of Bulgaria (1948).svg">Coat of arms of Bulgaria (1948).svg</a>, according to <a rel="nofollow" class="external text" href="http://heraldika-bg.org/drzaven_gerb.htm">Bulgarian Heraldry and Vexillology Society</a>