I just thought I would add my collection, I know most of them double up, but I cbf going through and sorting them all out :P enjoy
This Absolutely Fabulous picha contains
boater, leghorn, panama, panama kofia, baharia, skimmer, kofia majani, kofia ya panama, kiparara, and kofia ya majani.
There might also be
fedora, waliona kofia, homburg, stetson, trilby, and kofia feli.