Coat of arms of an unidentified priest (?) in the floor besides the sundial of <a href="//commons.wikimedia.org/w/index.php?title=Santa_Maria_degli_Angeli&amp;action=edit&amp;redlink=1" class="new" title="Santa Maria degli Angeli (page does not exist)">Santa Maria degli Angeli</a>
<a href="//commons.wikimedia.org/wiki/User:Mattes" title="User:Mattes">User:Mattes</a>
<span class="int-own-work" lang="en">Own work</span>