Seals, graffiti, brands, printers marks, coat of arms, are examples of visual identity and ownership claims (and power). These visual marks have evolved into “branding” as we know them: trademarks, logos and avatars. But even modern logos are not stagnant, for example: Apple. Which has changed with changing aesthetics and design standards, but most iterations based on the original striped apple logo by Rob Janoff.
Frith, H 2011, Unraveling the tale behind the Apple logo, CNN, <http://edition.cnn.com/2011/10/06/opinion/apple-logo/index.html>.
Think Marketing 2012, Apple Logo Evolution Story, Think Marketing, <https://thinkmarketingmagazine.com/apple-logo-evolution-story/>.