Uncanceled remainders usually cannot be distinguished from stamps sold over the counter before the issue was invalidated. A damaged stamp that has been repaired in some way to reinforce it or to make it resemble an undamaged stamp. A reproduction of a stamp or cover. In the 19th century, replica stamps were sold as space-fillers. Replica stamps are often printed in one color in a sheet containing a number of different designs.
Replicas can sometimes deceive either a postal clerk or collectors.
A stamp printed from the original plate, after the issue has ceased to be postally valid. Official reprints are sometimes made for presentation purposes or official collections. Private reprints, on the other hand, are usually produced strictly for sale to collectors and often closely resemble the original stamps. Private reprints normally sell for less than original copies. Reprints are not valid for postage.