Why would you do this? and once you have done it, why would you think they are worth £150!
https://www.ebay.co.uk/itm/VINTAGE-STAR-WARS-KENNER-12-BOBA-FETT-CUSTOM-FIGURE-MANDOLORIAN-REVENGE/203157881741?hash=item2f4d27438d:g:FRAAAOSwkK5fmYk0
https://www.ebay.co.uk/itm/VINTAGE-STAR-WARS-KENNER-12-BOBA-FETT-CUSTOM-FIGURE-MANDOLORIAN-LIGHT/203157873073?hash=item2f4d2721b1:g:lQsAAOSw2gBfmYah
https://www.ebay.co.uk/itm/VINTAGE-STAR-WARS-KENNER-12-BOBA-FETT-CUSTOM-FIGURE-MANDOLORIAN-DARK/203157879073?hash=item2f4d273921:g:W3IAAOSwpqJfmYgS
TERRIBLE.
https://www.ebay.co.uk/itm/VINTAGE-STAR-WARS-KENNER-12-BOBA-FETT-CUSTOM-FIGURE-MANDOLORIAN-REVENGE/203157881741?hash=item2f4d27438d:g:FRAAAOSwkK5fmYk0
https://www.ebay.co.uk/itm/VINTAGE-STAR-WARS-KENNER-12-BOBA-FETT-CUSTOM-FIGURE-MANDOLORIAN-LIGHT/203157873073?hash=item2f4d2721b1:g:lQsAAOSw2gBfmYah
https://www.ebay.co.uk/itm/VINTAGE-STAR-WARS-KENNER-12-BOBA-FETT-CUSTOM-FIGURE-MANDOLORIAN-DARK/203157879073?hash=item2f4d273921:g:W3IAAOSwpqJfmYgS
TERRIBLE.