image from <a href="//commons.wikimedia.org/wiki/Commons:Pearson_Scott_Foresman" title="Commons:Pearson Scott Foresman">Pearson Scott Foresman</a> donation <br>
shape of an egg
<a href="//commons.wikimedia.org/wiki/User:Mrmw" title="User:Mrmw">Mrmw</a>
2020-11-18
<ul><li>Own work based on: <a href="//commons.wikimedia.org/wiki/File:Oval_3_(PSF).png" title="File:Oval 3 (PSF).png">Oval 3 (PSF).png</a>: <a href="//commons.wikimedia.org/wiki/File:Oval_3_(PSF).png" class="image"><img alt="Oval 3 (PSF).png" src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/93/Oval_3_%28PSF%29.png/90px-Oval_3_%28PSF%29.png" decoding="async" width="90" height="46" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/9/93/Oval_3_%28PSF%29.png/135px-Oval_3_%28PSF%29.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/9/93/Oval_3_%28PSF%29.png/180px-Oval_3_%28PSF%29.png 2x" data-file-width="609" data-file-height="314"></a>  and <a href="//commons.wikimedia.org/wiki/File:PSF_O-650001.png" title="File:PSF O-650001.png">PSF O-650001.png</a>: <a href="//commons.wikimedia.org/wiki/File:PSF_O-650001.png" class="image"><img alt="PSF O-650001.png" src="https://upload.wikimedia.org/wikipedia/commons/thumb/a/a3/PSF_O-650001.png/90px-PSF_O-650001.png" decoding="async" width="90" height="105" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/a/a3/PSF_O-650001.png/135px-PSF_O-650001.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/a/a3/PSF_O-650001.png/180px-PSF_O-650001.png 2x" data-file-width="4739" data-file-height="5541"></a></li></ul>