Plate numbers. Multistamp issues require as a minimum a plate block with every stamp design represented at least once. Plate block formats are listed by the Scott Publishing Co.
*Coil Plate Numbers - 1.) numbers that appear at regular intervals at the bottom of modern coil stamps. 2.) numbers used on coil stamp platesprior to 1981.
Plate numbers were added to stamp plates as both a security device (sort of like serial numbers on money), and as an accounting device (to help in keeping track of how many times a plate had been used, for example).
Specific plate numbers and
positions provided (if available)
at no extra charge ...
Phantom plate numbers: occurs during the printing process when offset plate numbers re-offsets onto the adjoining plate to offset on the next sheet of stamps.
Phi: Philadelphia, pre-adhesive postmark.
Until 1958 in Canada, selvedge was used mainly to carry inscriptions bearing plate numbers and names of printing companies. Warning information concerning the authorized use was also printed on the selvedge of panes containing precancelled stamps.
Booklet Number Singles Until recently, plate numbers on U.S. booklet stamps could be collected only on the binding stub.
Plate numbers on sheet stamps often appear in corner margin paper or side margin paper. Plate numbers on coil stamps were commonly trimmed off until about 1980; since then the number appears on stamps at specific intervals.
In the United States, plate numbers on sheet stamps often appear in corner margin paper or side margin paper. Plate numbers on coil stamps were commonly trimmed off until about 1980; since then the number appears on stamps at specific intervals.
Stamps printed in several colors will have several plate numbers in the sheet margin, one for each color. Stamps printed in large quantities may have multiple plate numbers.
A plate strip of 3 of the 2-cent US stamp of 1895 includes the BEP's name.
Gutter. The selvage, with or without plate numbers or controls numbers/letters between the panes of a sheet of stamps.
Handstamp. Some form of cancellation or postal marking.
Gutter -- The selvage, either unprinted or with plate numbers, advertising or accounting or control numbers, between the panes of a sheet of stamps.
postal items that have a Scott number associated with them. It even lists individual values for the different plate numbers and positions. The last Scott's catalog I saw only showed pictures in black and white.
For postal scholars these plates provide important production information in the plate margin inscriptions, including guidelines, plate numbers, and initials of the siderographer, or person who created the plate from a transfer roll.
Advanced bureau collectors can carry their collections to another level by collecting coil pairs in various ways, blocks of four, bureau varieties (breaks, repairs, etc), dateds, plate numbers, or anything one can dream up! ...
 See also: Plate, Stamp, Plate number, Used, Printing
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