16 February (United Kingdom of Great Britain & Northern Ireland ) within release Marine TimeKeepers goes into circulation First Day Cover Marine TimeKeepers - FDC face value 1.24 British pound sterling
First Day Cover Marine TimeKeepers - FDC in catalogues | |
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Stanley Gibbons: | Sg:GB 1654 FDC |
First Day Cover is vertical format.
First Day Cover - Marine TimeKeepersFirst Day Cover Marine TimeKeepers - FDC it reflects the thematic directions:
A clock or chronometer is a device that measures and displays time. The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units such as the day, the lunar month, and the year. Devices operating on several physical processes have been used over the millennia.