Earliest Known Use - (EKU) the earliest recorded date of a cancellation of a stamp that did not have a specified date of issue by the post office.
Earliest Known Use - the earliest known date on which a stamp is used, even if prior to the official first day of issue. Generally applied to contemporary stamps.
Earliest known use: The cover or piece that documents the earliest date on which a stamp or postal stationery item is known to be used. New discoveries can change an established EKU.
Earliest Known Use (EKU)
The earliest date on which a stamp has been postally used. Many modern stamps have been released early and used on mail before the official first day of issue.
Earliest known use. A designation for the earliest identified postmark on a stamp for which a first day of issue was not designated. [Back to top]
electric eye (EE) ...
The earliest known use (EKU) of a stamp may or may not be the same as the first day of issue. This can happen in several ways: ...
Earliest known use (EKU): term applied to earliest date on which a stamp is recorded to have been used.
Earliest surviving letters: clay tablets in a cuneiform script, that was baked and hardened, then placed in clay envelope type containers.
They are not historic in the same sense of earliest known use (EKU) covers featuring classic stamps, which are worth a good deal of money.
 See also: First day, Cover, Stamp, Used, Error
  
|
RSS
