Bird-eye view of Pisa, the coat of arms of the town to left and key of places to right.
<br>Etching
mid 17th century (?)
<a rel="nofollow" class="external free" href="https://www.britishmuseum.org/collection/object/P_1992-U-96">https://www.britishmuseum.org/collection/object/P_1992-U-96</a>