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.
Perforation: The punching out of holes between stamps to make separation easy. (1) Comb perforation-three sides of a stamp are perforated at once, with the process repeated in rows.
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?
perforation: cutting rows and columns of small holes
rouletting: small horizontal and vertical cuts
diecutting: cut paper to shape using a metal die-used for self-adhesive stamps.
Contents ...
Perforation Error Stamps perforated of a different gauge than that specified for the issue.
Perforation Guage An instrument designed to measure the number of peaks or valleys in the perforating in any given 2cm space.
Perforations:
Line of small cuts or holes placed between tworows of stamps to facilitate separation.
Plate Block Number: ...
PERFORATION: Small rows of holes punched between stamps to make separating them easy.
PERFORATION NUMBER: The number of perforations found in a space of 2 centimeters.
Perforation. The punching out of holes between stamps in order to aid in their separation. There are various kinds and sizes or perforations which are measured by a perforation gauge.
Perforation Teeth - the tooth-like projections of paper on the edges of perforated stamps.
Perforation: The holes between stamps to which makes separation easy.
Perforation gauge: A tool to measure the number of perforations in a stamp.
Phantom philately: Collection of bogus stamps.
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 Perforation: 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.
Perforation Gauge: Here's another tool to help us find differences in stamps. Some stamps have the same design but different numbers of perforations (holes between stamps that make it easy to separate them).
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.
Perforation - a process involving the removal of small bits of paper in various shapes to allow for easy tearing.
Perforation of the whole sheet in a single process
Imperforate
Without perforations ...
Perforations
Holes punched between stamps on a sheet to facilitate separation.
Perforation Gauge ...
A perforation gauge is a tool used to measure the perforation and has rows of black dots. Each row has a different size of black dot.
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.
Stamp perforation gauge, metal, older style. Completely new, never used . . . 90¢ each ...
There were no perforations between stamps as seen today. That is the stamp was imperforate.
Harrow perforation: method by which the entire sheet or pane of stamps was perforated at one time.
Harter, Dr.: U.S. private die medicine proprietary stamp.
Harter, Dr. & Co.: U.S. private die medicine proprietary stamp.
Blind perforation - A perforation hole not punched out (blunt or missing pin) leaving the paper intact but marked. Generally considered to be a minor variety carrying little premium.
Blk - (abbrev) Block of stamps, quantity always quoted.
- Pulled Perforation.
P/SET - Part set, contains some stamps from an issue.
P.V.A. - Polyvinyl Alcohol
P. - Abbreviation for 'Proof'; i.e. the item is a die proof, or an impression taken to prove the accuracy of the impression.
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.
First fold along the perforation you wish to separate. Run your finger along the folded perforation. Then fold the other way, then separate carefully. This way you will not have any pulled perforations.
For example, different shades of color may exist on stamps with the same design, or them may have different perforation measurements (number of holes per side).
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.
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, ...
As an important fact, I have to say that perforation of the stamps can catch onto the stamp on the facing page and bend, tear or mangle the stamp.
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 ...
adhesive stamps were issued imperforate and had to be torn apart or cut with scissors, although the printers, Perkins Bacon, actually had a small perforating machine in 1840 to perforate cheque book counterfoils. They regarded the perforation of ...
They regarded the perforation of sheets of stamps as impracticable owing to the closeness of the stamps and unevenness of the layout caused by paper shrinkage after printing.
 See also: Stamp, Used, Perforations, Cover, Catalog
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