IT IS a joke I’ve long been waiting to crack and fate finally gifted me the opportunity. Shooting last week, my neighbouring gun had a fine looking side-by-side, of which he was clearly very proud. He shot well but, much as over my peg, a number of pheasants made their way safely through the lead barrage, giving us two fingers on the way. Of course, we soon got talking guns and, this being an extremely friendly farmers’ shoot, the beaters joined in, admiring the lightness of his gun and its fine engraving. This Purdey, he explained, had been built in the 1890s for none other than Sir Ralph Payne-Gallwey. “Yer who?” is probably the best description of our reaction to that nugget of information. None other, my new chum explained,…