The 1967 Commemorative Issues
Today's post marks the first in a new series - one that will explore the intricacies of the commemorative stamps that were issued between 1967 and 1972, just before the next definitive issue, the Caricature issue appeared. I have elected to keep each post restricted to the stamps of just one year, so I anticipate that this series will consist of six posts.
The commemorative issues are often overlooked by specialists who think that since they were only issued for a brief period of time, and because they are aimed at collectors, that there is nothing interesting to study about them. I wholeheartedly disagree. For one thing they serve as important time markers for the various changes that the post office adopted in terms of paper, perforation, gum, ink and tagging. By carefully studying these changes in the commemorative stamps and being familiar with the dates, you form a basis against which to study the same changes that you encounter in the definitive stamps of the same period. …