The Crown-Cap Liner Archive

An Independent Historical Research Corpus

28,000+ Primary Sources of Global 20th-Century Material Culture

Sealed Interplay

Hidden inside Ordinary Soda & Beer Bottle Caps

Unused 1948 Pepsi-Cola “Treasure Pouch” and Original “B.T.O.s” Instructional Flyer

A CCLA Special Collection

1948 “Treasure Tops” from Pepsi-Cola——its prominent first series and its much quieter second series

Complete 1969 “Discover Disneyland” Coca-Cola Saver Sheet

35 Liners · Folded, Double-Sided Contest Map · Sunday Comics Newsprint Advertisement

1980–81 Pepsi Canadian NHL Plastic Display Trays

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

Lucky Lager Rebus Crown-Cap Liners

c. 1950s–70s · Multiple Generations of Official Brewery Answer Sheets · Every Known Variant & Reprinting · 2008–12 Narragansett Reboot

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

Licensed, Official Series, Unlicensed Playsets, 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

385+ Known Designs Each · Swedish & Norwegian · Greetings, Sayings & Sass, c. 1970s