List of days of the year

17 March - Postage stamp canceling machine patent issued

 


1929 machine cancellation used to cancel 1d stamp on first flight cover from Nassau to Miami

On 17 March 1868, Postage stamp canceling machine patent issued.

A cancellation is a postal marking applied on a postage stamp or postal stationery to deface the stamp and prevent its re-use. Cancellations come in a huge variety of designs, shapes, sizes and colours. Modern cancellations commonly include the date and post office location where the stamps were mailed, in addition to lines or bars designed to cover the stamp itself.

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