https://gamesartist.co.uk/victorian-tiles/
3D Artist Matthew Taylor has created these realistic Victorian tiles using Substance Designer & Marmoset Toolbag. In this article, he talks about, goals, inspiration, references, breaking up pattern data, complex node systems, tile maker node, chipping, wear and tear, lighting and rendering.
https://www.artstation.com/matt-taylor
https://www.artstation.com/artwork/GeLQbQ