eBay:
VW Karmann Ghia Sheet Metal Body Repair Panels - Front Nose Vents
VW Karmann Ghia Sheet Metal Body Repair Panels - Rear Guard Lower Rear
VW Karmann Ghia Lowback Seat Pads

Gumtree:
VW Karmann Ghia Wiper Shafts
VW Karmann Ghia, Beetle and Kombi 12V Wiper Motor Armature
VW Karmann Ghia Headlight Rings
VW Karmann Ghia, Beetle, Kombi and Type 3 6V Horn
VW Karmann Ghia Door Hinges
VW Karmann Ghia Euro Bumpers
VW Karmann Ghia Engine Lid Catch Lock
VW Karmann Ghia Dash Radio Repair Section
VW Karmann Ghia Driver Seat Spring Cushions

Bumpers sold, other stuff still available