There is a black square here, created with scaleable vector graphics.
It's from "How to handcraft graphics for the small web" an article by ~nttp in Ctrl-ZINE issue 21:
https://ctrl-c.club/~loghead/zine/Ctrl-ZINE.Issue.21.pdf

Inform 6/11 etc. for a Finnish localisation:
https://ctrl-c.club/~mikkot/i6/

A British Library digitised image from page 9 of "Songs and Lyrics for Little Lips. Set to music by W. H. Cummings and others. Illustrated, etc" many times in a web page:
https://ctrl-c.club/~mikkot/vaakavieritys.html