Big Crowns
In normal cases the standard size crown cap will suffice to close a bottle.
Sometimes you need a bigger crown to seal a bottle.
Pictured here are several big crowns. They all have a 50 mm (almost 2 inches) diameter.

Frico Domo - The NetherlandsCampina - Belgium
C.Z. De Vechtstreek - The NetherlandsShell-Penn - USA