THIS IS A VERY NICE EXAMPLE OF A MISPERFORATED STAMP. IT OCCURRED ON SCOTT 363 THE 25 CENT CHEMICAL INDUSTRY STAMP PART OF THE INDUSTRY DEFINITIVES SERIES ISSUED JUNE 7, 1956. IT IS A USED STAMP AND IS IN VERY NICE CONDITION. FOR OTHER ITEMS OF PHILATELIC INTEREST ESPECIALLY ERROR STAMPS INCLUDING TAGGING PLEASE VISIT MY OTHER ADS.