Dumb Cancellation - A postmark without a date or place of cancellation. Duty Plate - The plate that holds the variable design component of a two-part design. Also see key plate. - E - ...
Dumb cancellation - An obliteration handstamp containing neither figure nor letter, often made of cork. Used for a variety of purposes including: cancellation of postage stamps (see maltese cross); War time security cancelling, and postage census.
Census Marks - See Dumb Cancellations. Centered - In a perfectly perforated sheet of postage stamps, each stamp has the same size of margin on each side; ...
Dumb cancellation: postmark that shows neither the date nor place of cancellation. Dumfries Pony Express: United Kingdom strike local post, 1971. Duminica: (Rom.) Sunday.
See also: Packet, Army, Internat, Stamp Collecting, Perforations
 
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