dumb cancel
English
Noun
dumb
cancel
(
plural
dumb cancels
)
(
philately
)
A
postal
cancellation
that does not state any location or date, used in
wartime
to prevent the
enemy
gathering information about
troop
movements from
captured
mail
.
See also
mute cancel
This article is issued from
Wiktionary
. The text is licensed under
Creative Commons - Attribution - Sharealike
. Additional terms may apply for the media files.