antiqueatlas-5.4.1-fabric.jar is a beta file of the Minecraft resource pack RLHats for Fabric, made for Minecraft 1.16.4. It was published on January 9, 2021 and is 1.8 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the RLHats resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.