The Crown-Cap Liner Archive

An Independent Historical Research Project

24,000+ Primary Sources of Global 20th-Century Material Culture

Hidden Gamification

Under Everyday Soda and Beer Bottle Caps

Unused 1948 Pepsi-Cola ‘Treasure Pouch’ and Original B.T.O.s Instructional Flyer

An Archival Special Collection

Pepsi-Cola 1948 “Treasure Tops”—The Earliest Known Crown-Cap Liner Artwork

Complete 1969 “Discover Disneyland” Coca-Cola Saver Sheet

35 Liners • Original Folded, Double-Sided Paper • Sunday Comics Newsprint Advertisement

1980–81 Pepsi Canadian NHL Plastic Display Trays

140 Liners • English & French Variants • Fits Both Crown Caps & Aluminum ROPP Screw Caps

Lucky Lager Rebus Crown-Cap Liners

circa 1950s–70s • Official Answer Sheets • Every Known Variant & Reprinting • 2008 Narragansett Revival

Argentina’s Boom of Diverse, Full-Color Pop Culture Liners

Licensed Series, Bodegas’ Unlicensed Sets, Saver Sheets & Lotería

The Working Archive of a Promotion Manager for Coca-Cola Canada

Regional Campaign Liners and Advertising from the 1970s–80s

Pressroom Slugs

Pre-Production Crown-Cap Artwork Across Multiple Proofing Stages

‘Bubbly’ Detail-Destroying Foam Crown-Cap Liners of the Mid- to Late-1960s

Two Scandinavian Coca-Cola Liner Series

200+ Known Designs Each • Swedish & Norwegian • Greetings, Sayings & Sass, circa 1970s