Official World's Fair Block of Stamps

FIRST DAY COVER OFFICIAL WORLD'S FAIR COMMEMORATIVE STAMP SPACE NEEDLE U. S. A. TOP OF THE NEEDLE INCORPORATED APRIL 25, 1962 AY FIRST DAY OF ISSUE SEATTLE APR 25 9-AM 1962 WASH SEATTLE WORLD'S FAIR 1962 000000 SEATTLE WORLD'S FAIR 1962 FIRST DAY OF ISSUE