![]() On January 10, 1976, the Canal Zone changed over to all airmail service to the United States on first-class mail and stopped requiring airmail postage on such letters. However, when the rate for a first class letter to the United States was raised to 15-cents on July 29, 1978, existing stocks of the old airmails were sometimes used. Its principal use was originally intended for airmail letters to Latin America and the Caribbean or on air letter sheets to anywhere in the world. The 15-cent Canal Zone Seal and Jet airmail (Scott C44) is one of the original six stamps of the series issued on July 15, 1965. ![]() When used in multiples or full booklet panes and in tandem with other stamps in a 'make-up' mode, they are less frequently seen. Quantities of official covers used as VIP souvenirs also exist. ![]() First day covers for both the pane and booklet stamps numbered about 10,900, many of which were prepared by a local stamp club. The same was true for the 319,440 five-pane booklets.Ĭovers with the 11-cent Canal Zone Seal and Jet airmail are quite common. In fact, frantic customers purchased the few remainders at that time to be used on 'Last Day Covers'. None of the original 3,335 000 stamps remained on sale when the Canal Zone Postal Service closed on September 30, 1979. A rate increase on May 16, 1971, which made the 10-cent airmail virtually useless, prompted the issue. Intended to cover postage on a letter to the United States, the 11-cent Canal Zone Seal and Jet airmail (Scott C49) was issued on September 24, 1971, in both pane and booklet pane formats. In the realm of postal history, individual usages on letters to the United States are very common, but collectors seek covers with this stamp in multiples or in combination with other stamps.ġ1-cent Canal Zone Seal and Jet Plane plate proof Quite a few first day covers are known with examples of all three stamps. On the same day this stamp was issued, authorities also released a 25-cent airmail and a 6-cent regular issue to meet the postal rate increase. First day covers numbering over 7,700 are also commonly seen, but the number of cachet artists involved in them is relatively low as Elmer Smith (the former chief producer of first day covers on the Isthmus) had died. Of the 1,020,000 booklet panes shipped to the Canal Zone, some 306,000 were destroyed when new postal rates rendered them of little use in 1972.Ĭovers bearing the 10-cent Canal Zone Seal and Jet airmail are common. Twenty-stamp booklet panes consisting of four stamps assembled in five individual panes were issued February 8, 1970, in response to customer demand.Īll of the 10,055,000 examples of this stamp had been sold prior to the close of the Canal Zone Postal Service on September 30, 1979. It replaced the 8-cent stamp of the same series. The 10-cent Canal Zone Seal and Jet airmail (Scott C48) was released on March 15, 1968, to meet the new airmail rate to the United States. While the low values are quite common on cover, when used in combination with other stamps to meet 'odd-ball' rates, they are in particular demand by specialists.ġ0c Canal Zone Seal and Jet Plane plate proof In the realm of postal history, the possibilities are nearly endless, which accounts for their popularity. Due to public demand, the 10-, 11-, and 13-cent stamps were also made up into booklet panes to provide a convenient way to store stamps. The Canal Zone Seal and Jet airmails are all found on first day covers serviced by a variety of people. The last remnants of the CZPS stock were burned in 1980, and over 1,100,000 of these were 20-cent to 80-cent airmails from this series. In fact, only the 6-cent and 8-cent were destroyed in fairly large numbers when they were no longer needed, long before September 1979. By the time the Canal Zone Postal Service (CZPS) ceased operations at close of business on Sept 30, 1979, all of the low values still in stock and many of the higher values had been snapped up. The numbers printed vary tremendously, reflecting their expected and actual use. Each of the stamps in this twelve-stamp series except the 80-cent represents a specific postal rate, and students of modern postal history assert they are a delight to collect.
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