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 foto contains
pendayung, leghorn, panama, topi panama, pelaut, skimmer, topi jerami, pendayung leghorn, and panama topi.
There might also be
fedora, merasa topi, homburg, stetson, trilby, and fedora merasa topi homburg.