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

Have some idea for steam badges. Use earlier unlocked version of badge. : r/ Steam

How to Buy, Sell, and Use Steam Trading Cards

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 players can now earn coupons for new games by playing old ones

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

Steam Badges and level

Steam Badges - Emilio Gómez

STEAM ACCOUNT OLD BADGES 2010, Sell & Trade Game Items, OSRS Gold

Showcase :: Inscryption

Valve launches Steam Badges on the service