Matt, not sure if this badge on ebay is the one you're after?
Mark
https://www.ebay.co.uk/itm/Genuine-Maserati-Front-Bumper-Badge-Emblem-QP-GT-Part-Number-670101565/232886488565?epid=28004026024&hash=item36391dcdf5:g:ui4AAOSwYSBbcU2A
Mark
https://www.ebay.co.uk/itm/Genuine-Maserati-Front-Bumper-Badge-Emblem-QP-GT-Part-Number-670101565/232886488565?epid=28004026024&hash=item36391dcdf5:g:ui4AAOSwYSBbcU2A