The Mute Cancellation (killer)
Since letters were already receiving postmarks, the most obvious thing to do was to position the postmark so as to mark the stamp as well. This is still the most common method of stamp defacement. In many countries the postmark even comes in two parts; the location/date circle, and the "killer". See Cancellation (mail) for much better insights.
Read more about this topic: Postage Stamp Reuse
Famous quotes containing the word mute:
“From infancy, almost, the average girl is told that marriage is her ultimate goal; therefore her training and education must be directed toward that end. Like the mute beast fattened for slaughter, she is prepared for that.”
—Emma Goldman (1869–1940)