Postage stamp reuse

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The article describes most of the methods used in the design of postage stamps to avoid their fraudulent reuse (mainly by removing the postmark), which was attempted when the post was seen as being expensive. It does not concern methods to limit the production of fake or forgery (rare) postage stamps to abuse the collectors.

The problem[edit]

The crux of the problem was the stamp paid the fee for a single usage of the mails, but the stamp itself tended to arrive at the destination in reasonably good condition; it would be the work of a moment to remove the stamp from the envelope and then attach it to another piece of mail AFTER removal of the postmark. In the 19th century, the fee for sending a letter was often a significant percentage of a daily wage. Some enterprising individuals discovered that the postmark inks could be removed from the stamps, although they were assumed not water soluble.

The fixes[edit]

The mute cancellation (killer)[edit]

Since letters were already receiving postmarks, the most obvious thing to do was to position the postmark so as to mark the stamp as well. This is still the most common method of stamp defacement. In many countries the postmark even comes in two parts; the location/date circle, and the "killer". See Cancellation (mail) for much better insights.

Rare mute cancellation in the Austrian empire 1850 issue

The grilling[edit]

In the United States, the experiment of grilling was tried in 1867, where tiny squares were embossed into the paper after the stamp was printed, the idea being that this would break up the paper fibers and let more ink be absorbed into the paper. But this also made the stamps more prone to tearing, and grilling was abandoned around 1871. The more unusual types of grills are now among the great rarities of US stamps.

Design with water soluble inks[edit]

In Great Britain, the 1880s saw the use of inks, which were water-soluble, thus preventing washing altogether. Only lilac and green colors were available. This scheme was (fortunately) abandoned after a few years, and the few surviving unwashed stamps are somewhat expensive to collect.

Surface coating[edit]

Later experiments involved surface coatings. Between 1901 and 1907 Austria applied varnish bars, thin diagonal strips of varnish, to the paper before printing the design. Russia did the same between 1909 and 1915, applying the varnish in a pattern of lozenges. In both cases the (not very convincing) theory was the same; the ink of the printed design would not soak into the varnish, so that in the washing process the design would tend to flake off, forming a telltale pattern on the washed stamp. Ferchenbauer provides a slightly different explanation, based on the partial solubility of the varnish.[1] The United States also coated a few of their $1 revenue stamps with varnish around the turn of the 20th century.

Perfin[edit]

A perfin is a stamp that has had initials or a name perforated across it to discourage theft. By agreement with postal authorities, a perfin stamp on a letter could be used only by the owner of the perfin. Therefore, a stolen perforated stamp would be of no value to the unauthorized bearer.

Varia[edit]

More unusual methods have included tearing or slicing the stamp, but this is a slower process and can easily damage the contents, and was only occasionally used. An example is 19th-century Afghanistan, where cancellation involved the removal of part of the stamp rather than applying ink or other surface marking.


References[edit]

  1. ^ Österreich 1850-1918, Spezialkatalog und Handbuch, von Dr. Ulrich FERCHENBAUER, Wien 1981), p.257