No, not sold outside the MoD. You have a refinished dial. Your lugs seem shorter; I side picture would be good. Your case back markings have been removed. That halves the value. And there is a problem with your middle case alloy compound in the rim, that is nearly gone opposite the crown and holds the back. Kind regards. Achim
The MoD in 1956 re cased the good ones. No Dennison stamp inside the case back. read for yourself on the Net. Plenty of articles there.... A few kept the white dials, when in good condition. The rest followed the changed fashion and got black dials.your watch is a fantasy redialled old one. Not longer a MoD model. Kind regards. Achim