EDIT - SOLD
I have two headrests, believe they were both from a 356, but one is factory style and one is homemade style bracket. Shape and size of headrests are same.
$125 obo
https://hosting.photobucket.com/imag...720&fit=bounds
https://hosting.photobucket.com/imag...720&fit=bounds
https://hosting.photobucket.com/imag...720&fit=bounds
https://hosting.photobucket.com/imag...720&fit=bounds
https://hosting.photobucket.com/imag...720&fit=bounds
https://hosting.photobucket.com/imag...720&fit=bounds
https://hosting.photobucket.com/imag...720&fit=bounds