Handcrafted by Andrew in Lancelin WA. Unfortunately he's no longer with us:
www.seabreeze.com.au/forums/Windsurfing/General/Leading-Edge-Andrew-RIP?page=1
I've still got a number of his slalom fins from way back and maybe a weedy or two, with my slalom 29 reboxed from Tuttle to PB by Andrew close to being one of the best performing fins I've ever owned, just behind my FF22!