Gentleman,
Think I've the answer what might match with the concerned Mossie:
DZ466 540 Squadron
Missing from PR sorties to Paris area 20.2.43
Just with the aid of this useful link:
http://www.dehavilland.ukf.net/_DH98%20prodn%20list.txt
As far as I can see it's a copy of the info from the Air Britain RAF Serials.
Best regards,
Hans Nauta