THIS INTERESTING VARIETY, "A ROCK IN THE LAKE", OCCURED ON SCOTT 1204 ISSUED ON JUNE 1, 1988. IT IS ON THE 37 CENT DUCK LANDING STAMP PART OF THE WILDLIFE CONSERVATION SET. IT FEATURES A ROCK LIE OBJECT ABOVE ONE OF THE REEDS. THE STAMP IS USED AND IS IN NICE CONDITION. FOR OTHER ITEMS OF PHILATELIC INTEREST ESPECIALLY ERROR STAMPS PLEASE VISIT MY OTHER ADS.