ON THIS INTERESTING VARIETY THERE APPEARS TO BE A LARGE BUG OR GROWTH ON THE BACK OF THE LIZZARD. THIS OCCURRED ON SCOTT 1309 THE FORTY CENT STAMP, PART OF THE PREHISTORIC LIFE IN CANADA SERIES ISSUED BY CANADA POST ON APRIL 5, 1991. IT IS IN VERY NICE CONDITION. IT IS A USED STAMP. FOR OTHER ITEMS OF PHILATELIC INTEREST ESPECIALLY ERROR STAMPS PLEASE VISIT MY OTHER ADS.