Swiss collector with over 4500 scanned caps, geographical search for caps, trading list, cap identification.

Collection of historic and current Hutter stoppers of beer bottles from breweries worldwide (more than 600 pictures of swingtops from 19 different countries).

Displaying hundreds of soda and beer bottle caps, with information about each cap.

USA bottle cap collector with hundreds of soda and beer bottle caps listed for sale or trade. Bottle cap club information.

Search engine for online bottle cap collections, with more than 270'000 entries.

German bottle cap collector, cap gallery with over 17.000 pictures.

Contains images, trade links and general information about collecting crowns.

Dutch collector lists over 11, 000 beer caps in his collection, with images of Dutch and Belgian caps.

Collection of caps from around the world, including many from Africa.

A Dutch collector presents his crown caps, with many links, thematic crown caps, water caps and trade list.