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Metric and Related-
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Metric and Related-
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Below is an index to checklists of postal items in various metric or related-standards categories. Each page features postal items such as stamps, souvenir sheets, postal stationery, postmarks, cancels, meters, and also cinderellas and cachets from covers when appropriate, as well as numismatic items (banknotes and coins). This is a work in progress, and completeness is the goal. If readers know of additional information or images, please contact the author using the e-mail address at the bottom of this page. See also the author's Websites featuring Un-Manned Satellite Philately and Weather Philately.
| Metric and related-standards categories | |
|---|---|
 | Metric system (The International System of Units (SI)) |
 | World Standards Day (annually: 14 October) (and ISO and related standards) |
 | SI-metric system unit names (the scientists behind the named metric units) |
 | Postcodes of the world (Zip Code in the U.S.) |
 | Decimal money conversion (from non-decimal currency systems) |
 | Right-hand/left-hand driving customs (mostly the change from Left to Right) |
 | Standard time and time zones (and Gregorian Calendar) |
(The pages below will be available in the future.)
(The links below lead to information sources that are maintained by others. They are not part of this Website.)
(The links below lead to information sources that are maintained by others. They are not part of this Website.)