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Plating (philately)
Plating refers to the reconstruction of a pane or "sheet" of postage stamps printed from a single plate by using individual stamps and overlapping strips and blocks of stamps.〔(【引用サイトリンク】title=Glossary Of Philatelic Terms )〕 Likewise, if a sheet 10 or 20 postal cards is typeset, the variations of the letters or design elements may allow reconstruction or plating of the sheets based on these differences.〔Littrell, Robert, Ed.; ''Postal Cards of Spanish Colonial Cuba, Philippines and Puerto Rico'', UPSS (2010).〕
==Basics==
For plating to be possible, there must be constant variants in details of the stamps printed from a single plate or lithographic stone so that one can identify the exact original position of each stamp. Evidence that may be used in plating includes defects or "flaws" occurring in the transfer of images, individual touch-ups by the engraver, recuttings of the plates, repairs, and accidental injuries to the plates. In addition, stamps may have be laid out in an irregular fashion on the plate with the result that differences in spacing and orientation of the stamps may be used to determine their plate positions. From their inception in 1840 until 1884, postage stamps from Great Britain incorporated control letters in the corners indicating the stamps's exact position on the sheet, e.g., A...C is first row, third stamp, and for a period also incorporated the number of the plate from which the stamps were printed. Other evidence such as color of the ink used or watermarks in the paper may be of use in reconstructing plates.〔Stanley Gibbons, ''Great Britain, Specialised Stamp Catalogue,'' Vol. 1: Queen Victoria (8th ed. 1985), p. 33 ff.〕 In the absence of such evidence, plating is not possible. Because of the highly accurate methods of modern stamp production, most modern issues cannot be plated.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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