ISLE OF MAN. RARE. 1999. BRITISH BLUE CAT  PR 69 GRADED PCGS. PROOF 1 OZ SILVER . LOW POPULATION; . GOLD ONES ARE NOT FOR SALE: IT TOOK LOTS OF HASSLE& EFFORT TO GET THOSE..THIS 69 GRADED SILVER  PROOF CAT; I HAVE 2 OF THEM.I ENCLOSED GOLD PHOTOS OF SAME CAT TO SPICE IT UP. MINE IS THE ONLY LISTI NG IN THE WORLD.