Not my idea, but VicS did a post recently about Alderney Flags and gave a link to Flags of the World, which I read, marked and inwardly.... From then on it was just a question of trawling through 35000 flags and ensigns...
You had better give the answer now I'v spoiled the guesswork fun /forums/images/graemlins/grin.gif
Take my hat off to you, young master Chris, for being so observent. Exactly what it is. Now what we want is one for the ambidextrous police alliance, one for the organic gardening police alliance, one for the underwater basket weaving police alliance, and we'll all be happy little flag bearers.