Definition of "indicia"

Anna looked at the soul of New York and recognized that if you distract people with shiny objects, with large wads of cash, with the indicia of wealth, if you show them the money, they will be virtually unable to see anything else.

2018 May 28, Jessica Pressler, “Maybe She Had So Much Money She Just Lost Track of It”, in New York Magazine‎

Spiderman,[sic] The Thing, The Hulk, The Fantastic Four, the distinctive names and likenesses thereof, and all related indicia are trademarks of Marvel Characters, Inc.

2003, Scott Bukatman, Matters of Gravity: Special Effects and Supermen in the 20th Century