Perforations vary in. gauge, the catalogue listing being the number of perforations which can be counted in the space of two centimetres.
Perforations and the proper use of the device used to measure them, called a perforation gauge, often baffle beginner collectors and sometimes even those who are not so new to collecting.
Perforations
What are perforations?
'Perforation' is the effect of removal from a sheet of stamps of many small, usually circular, pieces of paper.
Perforations
A Brief Essay on Postage Stamp Perforations - from University Philatelics "The tooth, the hole tooth and nothing but the tooth!" --Anon. "You may well ask, can there possibly be a less significant subject than this?
Perforations:
Line of small cuts or holes placed between tworows of stamps to facilitate separation.
Plate Block Number: ...
Perforations - Unperforated vs. Imperforate vs. Misperforated
"Imperforate" means a stamp was issued without perforations, a practice that was common in the earliest days of stamps, ...
Perforations
A synonym for holes, perforations refer to any form of stamp separation that involves the removal of paper. Although perforation holes are typically round, they may also be oblong, square, star-shaped, or in many other forms.
Blind Perforations - an impression made by perforating pins in a place where perforations were intended, but from which chads were not removed. These interesting varieties are not imperforate stamps.
perforations, or perfs - These are the jagged edges around most stamps used until recently. They were invented a long time ago to make it easier to take a stamp from the "sheets" they are usually printed on.
Perforations - Holes punched between stamps to make it easier for an individual to separate two or more stamps. Collectors use a perf gauge to measure the perforations helping them to identify their stamp.
Philately - The hobby of stamp collecting.
Perforations that have been only lightly impressed by the perforating pins, leaving the paper intact, but cut or with a faint impression. Some stamps that appear to be imperforate really are not if they have blind perfs.
Perforations
Holes punched between stamps on a sheet to facilitate separation.
Perforation Gauge ...
5. Perforations
I've been getting requests from several ISWSC club members to go into more detail about perforations. I hope this explanation will satisfy most requests.
The perforations of coil stamps are usually found along the right and left sides ("vertical perf"), but they have also been produced with perforations along the top and bottom ("horizontal perf").
Square perforations - small, square holes, which are quite rough in appearance
Stamp classifications - a system by which all stamps are organized and defined according to their functions or type of authority controlling their issue ...
Compound Perforations: Different gauge perforations on different sides of a single stamp. The sides with the different perforations are usually perpendicular.
COMPOUND PERFORATIONS: More than one gauge of perforation on the same stamp - often on perpendicular sides.
CONDITION: Quality of a stamp regarding its centering, color, and gum.
Rejoined Perforations - Perforations that have been reattached, usually via adhesives.
Release Date - Formal date when a postal authority makes an item available for purchase.
There were no perforations between stamps as seen today. That is the stamp was imperforate.
On some stamps the perforations on the side of the stamp and the top of the stamp are different sizes and a perforation gauge will help you check this.
Watermark Detector ...
3-Sidig perforeing: (Nor.) perforations on 3 sides, with straight edge on fourth side.
2 x 4: at one time it was popular to cut the corner, two inches by four inches, containing the stamp and postmark off envelopes and mount them in an album.
Perforations - Rows of punched holes separating stamps from one another in a sheet. Collectors distinguish different gauges of perforation.
Philatelic - Adjective word of Philately
Philatelist - The person who has the hobby of philately.
Error: Stamp with a mistake in colour, perforations, or design. Also … ‘a major mistake in the production of a stamp or postal stationery item’.
It should be noted that the years indicating first and last issues pertains to the issue dates of the stamps on which the perforations have been made, and not to the dates when the perforations were made.
When taking stamps off envelopes, always tear off the corner so that there is paper all around the stamp, and the stamp and all its perforations are undamaged.
ERRORS, FREAKS, or ODDITIES includes missing perforations, missing colors, mis-cut, folded or a host of other printing errors. These stamps are supposed to be culled from the final product and destroyed.
Line perforations are distinguished by the uneven crossing of perforation lines and irregular corners. Comb and harrow perforations usually show alignment of holes at the corners. Some forms of perforation may be difficult to distinguish.
origin of philately is in the observation that in a pile of stamps all appearing to be the same type, closer examination reveals different kinds of paper, different watermarks embedded in the paper, variations in color shades, different perforations, ...
If you have trouble in telling the difference between two seemingly similar stamps you may want to measure the perforations. A perforation gauge is used to measure the number of perforations in a prescribed space on each stamp.
Imperf Between Normal stamps that are perforated but with a line of perforations omitted between adjoining stamps or rows of stamps due to faulty manufacture.
Impressed An imitation watermark impressed on the stamp by die stamping.
Abbreviation for perforated or perforations
Perforation:
The punching out of holes between stamps to make separation easy.
There are various kinds and sizes or perforations which are measured by a perforation gauge. Often, a particular size of perforation can differ on stamps that look very much alike. Different valuations can be the result.
This way you will not have any pulled perforations. Do not try to do several similar blocks at once, as this is very risky and could lead to tearing a stamp in half (yikes!) if the selvage is not matched exactly on each block.
Coil Stamps are the stamps you buy in a roll. If you look carefully you will see that two sides of the stamp are flat and two sides have perforations (small holes where you tear them apart).
A mistake in the design of a stamp, such as an incorrect spelling or inscription, or a mistake in the printing that results, perhaps, in a stamp with a missing colour or without perforations.
Face Value ...
 See also: Perforation, Stamp, Used, Cover, Catalog
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