Marc Jacobs spring 2009 collection
The original Marc Jacobs boater hat by the famous milliner Stephen Jones at eLuxury for $375 in black
and in red
Pixie Market's fabulous and very affordable version handmade in London for $48 in black
Mini straw doll hats at Michaels for under $1. Decorate with gross-grain ribbon in solids or stripes. I just bought a bunch and am experimenting. I'll post some finished versions! I am also looking for vintage versions on eBay.