Looks like Steam updated the Badge Collector showcase. It now tracks your foil badges! : r/Steam

Steam Card Assistant

Valve introduces Steam Badges, encourages better use of Steam

Pavel Djundik on X: Upgraded SteamDB's badges page to display your level and xp information, as well as your level for each badge. Seasonal badges are displayed separately now. /

Steam Community :: :: My skull badges collection :D

ArtStation - DATD 1 and 2 Steam Badge designs

All the Steam badges collected in one handy gallery

Steam 2022 How To Change Featured Badge

3DMark update adds new Steam achievements, trading cards, and more!

Steam's Oldest User Accounts Turn 20, Valve Celebrates With Special Digital Badges - IGN

How to get Trading Cards and Badges on Steam?