Hi broughcut, thanks for taking the time to bother about our little "athlete's of the sky", the unions keep a record of all the rings issued over the last 10 yr, anyone can contact them to find the owner of a ring, the unions dont like to give out owners details to finders without first contacting the owner because some unscrupulous fancier, on finding out he has one of the top fancier's birds in his possession, would not then follow up the repatriation of the bird and maybe would keep it himself and breed from it. Like your thinking though