Almost from the very day that Philately began as a serious hobby, stamp collectors were plagued by forgeries. Forgeries exist in two types; those made for philatelic consumption and those produced to defraud the postal service of revenue (called postal forgeries). These postal forgeries are in nearly all cases not only very rare but highly collectible and desired as examples of postal history. But philatelic forgeries are rarely scarce, and seldom desired by stamp collectors. But they do turn up unwanted in many stamp albums and though detailed counterfeit detection is work for experts, there are many things even a casual stamp collector can know that can help spot a forgery or at least arouse suspicion.
Stamp collectors generally collected casually, not avidly as many do today. They wanted examples of stamps that the catalogs told them existed but where a genuine specimen was unavailable most collectors did not mind adding a well made reproduction to their albums. Like today’s art lovers who have reproductions, even posters, of Van Gogh or Cezanne on their walls, early collectors saw nothing wrong with a reproduction. It looked the same and certainly was cheaper.
The early philatelic forgery trade grew up to satisfy this desire for stamps where there was no international market that could make foreign stamps available at fair prices (that is prices close to what was charged in the home market). The forgers often published lists, sent out approval books (a penny a stamp), and even sold packets. This is what accounts for the majority of forgeries currently around and this was mainly a pre-1930 phenomenon.
Though forgeries are hardly the problem today they were 50 years ago, collectors should still watch the sources from which they buy their stamps and be aware that the “genuine bargain” from an unknown or unscrupulous seller might be neither a bargain nor genuine. And when in doubt, there is always the American Philatelic Expertization Service, or our favorite for foreign stamp expertizer right now is the expert Sergio Sismondo,10035 Carousal Center Dr, Syracuse NY, email Sismondo@Dreamscape.com