MJ has a thread about matching these up at the mo'.
http://co.uk/itm/A-pair-of-Vintage-Celestion-Ditton-44-speakers-for-sale-Edinburgh-area-/310714153925?pt=UK_AudioVideoElectronics_HomeAudioHiFi_HiFiSpeakers&hash=item485801bbc5
http://www.hifiwigwam.com/showthread.php?88987-Amp-advice-for-Ditton-44-s&highlight=Celestion+Ditton+44
http://co.uk/itm/A-pair-of-Vintage-Celestion-Ditton-44-speakers-for-sale-Edinburgh-area-/310714153925?pt=UK_AudioVideoElectronics_HomeAudioHiFi_HiFiSpeakers&hash=item485801bbc5
http://www.hifiwigwam.com/showthread.php?88987-Amp-advice-for-Ditton-44-s&highlight=Celestion+Ditton+44