A stamp that has never been hinged. Perfins are normally used by a business or government office to discourage pilferage or misuse of stamps by employees. Perfins may be either privately or officially produced. The collection of bogus stamps. The name is derived from Frederick Melville's book Phantom Philately, one of the pioneer works on bogus issues.
Revenues come in several forms.
The first were directly embossed onto documents. Others were printed directly onto documents, often large ornate designs such as those of the Indian States. A small sheet of stamps with a special commemorative inscription or decorative border. The condition of a stamp when it has been cancelled.