Commemorating Steel's First Century Block of Stamps

FIRST DAY OF ISSUE POURING MOLTEN IRON COMMEMORATING STEEL'S Art Craft STEEL'S FIRST CENTURY AMERICA MUST 1857 1967 GROW TOGETHE First Century ORK NEN 1957 AMERICA AND STEEL GROWING TOGETHER STEEL CENTENNIAL 1957 U.S. POSTAGE C FIRST DAY OMEDICO ONN CTEEL THELTHUIE HIIU VILLL GROWING TOGETHER STEEL CENTENNIAL 1957 30 AMERICA AND STEEL GROWING TOGETHER STEEL CENTENNIAL 1957 U.S. POSTAGE JC OF ISQUE AND STEEL GROWING TOGETHER nmrnian nnn erro TRILIUN mu STEEL CENTENNIAL 1957 3.