Mirage 2000 (left) and Mirage 4000 (right) prototypes at the 1981 Paris Air Show, Le Bourget Airport, Paris. Scanned Kodachrome slide.
<a href="//commons.wikimedia.org/wiki/User:Acroterion" title="User:Acroterion">Acroterion</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>