THERE APPEARS TO BE A BLUE BOAT FLOATING IN THE OCEAN ON THIS VARIETY STAMP. THIS OCCURRED ON SCOTT 752 THE PEREGRINE FALCON STAMP FROM THE ENDANGERED WILDLIFE SERIES ISSUED JANUARY 18, 1978. THE STAMP IS IN VERY NICE CONDITION. IT IS A USED STAMP. FOR OTHER ITEMS OF PHILATELIC INTEREST ESPECIALLY ERROR STAMPS PLEASE VISIT MY OTHER ADS.