Stamp Cancellations
Reposing under the glass top of a stamp dealer's counter was a "cover" bearing an ordinary
three-cent stamp issued by the United States in 1869. Almost every collector will at once
know the stamp...
Early United States stamps bearing postmarks - often called "town" cancellations - with
year dates are scarce and much sought after. In fact, any unusual cancellation on a stamp
is a collectable...