This product is a mint never hinged souvenir sheet of 48 stamps with a denomination of 13 cents. The stamps were issued between 1971 and 1980 in the United States and feature a multi-color design related to stamp shows. The sheet was issued for the 1978 CAPEX Canadian Philatelic Expo and has the original gum. The certification is unknown and there have been no modifications made to the sheet. Face value is $ 6.25.