It is indeed the VR "Wings" to which I refer, as opposed to the PFB. Managed to find a piccy....
The current boss of the AEF at Leuchars is the only known officer that wears them, and he has flown both Chippies and Bulldogs as well as Das Teutor, so it can't have been limited to civilian aircraft. As he was originally appointed into the RAFVR for AEF service only, (now RAFR) I can only guess that the badge was introduced to allow him to fly as PIC of a military aircraft without having been awarded a "full" flying badge.
I suspect I may have answered my own question
but any more accurate data would be appreciated on the requirements for award of the badge, and whether it is still classed as "current".
Cheers