VERY FINE. ONE OF THE RAREST OF ALL UNITED STATES COMMEMORATIVE FIRST DAY COVERS, WITH ONLY TWO SINGLE FRANKINGS OF THE 5-CENT PAN-AMERICAN ISSUE RECORDED.
The McCusker firm sold the other 5c Pan-American single-franking First Day Cover in its Sale 203 in February 2005 for $30,000 hammer. A single 5c Pan-American stamp paying the UPU rate to a foreign country, postmarked on the First Day, ranks among the greatest of 20th Century rarities.
Ex Dr. Martin. With 1982 AFDCS certificate. Scott Retail $37,500.00