Tourism Year of the Americas '72, Domestic Surface Mail, First Day of Issue

Front:
RODEO MISSISSIPPI RIVERBOAT 2345 6 7 ..... TOURISM YEAR OF THE AMERICAS 72 サク GRAND CANYON MONUMENT VALLEY

Back:
ho - GLOUCESTER POSTAD Philatelis Exhibition Brussels CONS SERVICE FIRST DAY OF ISSUE Tourism Year Tour America Inaugural Rome - Paris of the Americas 72 Artmaster DOMESTIC SURFACE MAIL first Day of Issue