| Topic | Replies | 
|---|
| Moroccan Cherifian Post stamps | 4 | 
| AOF 1947 definitive stamps - perforation mystery | 0 | 
| German (Reich) hyperinflation era postage stamps - fake vs. genuine postmarks | 4 | 
| Dienstmarke vs Dienstmarke: the story behind two kinds of East German (DDR) official stamps | 2 | 
| Long postage stamp series of Spain | 2 | 
| Bahrain definitive stamp series of 1976/1980 - varieties | 2 | 
| Fiume postage stamp forgeries | 2 | 
| Many faces of Indonesian Suharto definitive postage stamps of 1980/1987 (or quick peek into world of various meshes and screens in photogravure printing) | 0 | 
| Mosden postage stamps of Philippines | 2 | 
| Postage stamps of Kingdom of Sedang (Deh Sedang) | 3 | 
| A classic forgery of Van Diemens Land Chalon postage stamp | 4 | 
| How accurate (or inaccurate) are traditional stamp perforation gauge results | 3 | 
| "Technik und Landschaft" Series | 3 | 
| "Eidgenössisches Kreuz" Series | 10 | 
| Algerian Setif,Guelma,Kherrata stamps of 1975 | 2 | 
| Introduction to Belgian precancels | 5 | 
| From crown jewel to pariah: a postage stamp filled history lesson from Aden to Yemen | 2 | 
| Type Duval postage due stamps of France | 2 | 
| German ATM stamps (aka. Klüssendorf) - rethinking how to organize | 9 | 
| New Zealand KGV definitive postage stamps- how different stamp catalogs approach the stamps, and what you can learn from it | 10 | 
| Agency stamps - the good, the bad, and the ugly | 10 | 
| How common are forgeries of classic postage stamps? And why are they so plenty?  | 5 | 
| Is collecting a complete worldwide stamp collection possible? Take III - the final word -  money and catalog values | 26 | 
| Forgeries of Lebanese postage stamps | 2 | 
| Latvian definitive postage stamps series of 2014/2016 "flowers" | 2 | 
| The Red and Black postage due stamps of Hungary | 16 | 
| Indore postage stamps of 1904/08 - engraved, litho, or both? | 7 | 
| Charkhari stamps | 2 | 
| Postal forgeries of modern Chinese stamps | 6 | 
| Dutch Armenwet (poors law) postage stamps | 4 | 
| French postage stamps: Marianne by Decaris - types I and II | 17 | 
| New Zealand 1960 pictorial postage stamps - mystery after mystery unravelled | 13 | 
| Philippine definitive postage stamp series of 1991 "Flowers" - what the major catalogs don't tell you about it | 7 | 
| 1970 Bulgaria Boats at Albena stamp  - unlisted variety and other tidbits | 2 | 
| A more scientific view on color variations and changelings on postage stamps | 7 | 
| How to check if a stamp is a forgery or genuine, lesson 3 - North Korea 1967 postal forgery | 4 | 
| How to check if a stamp is a forgery or genuine, lesson 2 - a case of 1870 Spanish Allegory of Hispania | 3 | 
| Making sense of plates, dies and watermarks of KGV postage stamps (of Ceylon) | 2 | 
| How to check if a stamp is a forgery or genuine - a case study of Spanish 1854 Una Unza official stamp | 2 | 
| Forgeries of Spanish State 1936 definitive postage stamps | 0 | 
| Puzzled by size difference in pair of 1906 Liberian OS (Official Service) postage stamps | 0 | 
| Men who changed postage stamp design forever | 2 | 
| From British Southeast Asia to Brunei, Singapore and Malaysia - traveling through history with postage stamps | 5 | 
| How to identify litho from photogravure in postage stamp printing | 2 | 
| Cancellation forgeries on Finnish stamps | 0 | 
| Microprinting varieties on Ukrainian definitive postage stamps | 0 | 
| Unlisted perforation varieties on Ecuador Timbre Escolar postage stamps | 2 | 
| War of the Pacific: overprints on Peruvian postage stamps | 2 | 
| Some observations about Serbian 1905 King Peter stamps and it's forgeries | 3 | 
| Common but generally unrecognized varieties on Polish definitive stamps | 2 | 
| Greek Landscapes postage stamp series of 1927 - separating different (re-engraved) prints from each other | 9 | 
| Greek tragedy in perf thirteen and one quarter (or why modern postage stamps are worth checking in detail) | 3 | 
| Montenegro 1896 Cetanje monestry postage stamp - genuine vs forgery by Fournier | 7 | 
| Indian Capital of Asoka Pillar official postage stamps | 8 | 
| Difficulty of collecting Chinese stamps | 30 | 
| Definitive postage stamps of Japan: "Animal, plant and national treasure" series | 17 | 
| Postage stamps of Caribbean (commonwealth)  - part II | 4 | 
| Postage stamps of Anglophone Caribbean | 5 | 
| Reprints or forgeries of Haitian postage stamps of 1904 | 5 | 
| Forgeries (or reprints) of Ajman postage stamps | 7 | 
| Argentinian definitive stamp series of 1954/76 pt.4: other designs with double border frames | 6 | 
| Argentinian definitive stamp series of 1954/76 pt.3: portraits | 8 | 
| Argentinian definitive stamp series of 1954/76 pt2: Jose de San Martin | 10 | 
| Argentinian definitive stamp series of 1954/76 pt1: introduction | 16 | 
| Yugoslavia definitive postage stamp series of 1971/1989 "Tourism (city views)" | 12 | 
| Romanian definitive postage stamp series of 1991 "Hotels, lodges and resorts of Romania" | 25 | 
| Forgeries of classic Ecuador postage stamps | 11 | 
| A primer on organizing US Washington-Franklin stamps of 1908/1922 | 27 | 
| South African definitive postage stamps of 1926/1954 - meet the Springbok and other iconic designs | 3 | 
| Equatorial Guinea - a country with lost philatelic reputation | 33 | 
| Nigeria 1973 definitive postage stamps – pt. III | 10 | 
| Nigeria 1973 definitive postage stamps - pt. II | 0 | 
| Postage stamps of colonial Nigeria | 19 | 
| Definitive postage stamps of Italy: Italia Turrita aka. Syracuse coin | 30 | 
| Austria 1908 jubilee stamp series - perforation woes | 12 | 
| Portuguese definitive postage stamps series of 1972/74 "Landscapes and Monuments" | 12 | 
| Portuguese definitive postage stamp series of 1953/55 "Cavalinho" | 20 | 
| Środkowa Litwa - postage stamps of Central Lithuania | 20 | 
| 1955 General Franco stamp series of Spain | 35 | 
| Security features of Canadian high value mammal definitive postage stamps | 10 | 
| Brazilian definitive postage stamps of 1920-1941 "Série vovó" | 99 | 
| Hermes and Iris definitive postage stamp series of Greece | 8 | 
| Japanese hometown (Furusato / prefecture) postage stamps | 24 | 
| About early Japanese postmarks | 18 | 
| Czechoslovakian 1945/47 definitive postage stamp series: Portraits | 17 | 
| Czechoslovakian Masaryk postage stamps of 1925 -1927 | 22 | 
| Postage stamps of Azerbaijan throughout different periods in history | 21 | 
| Poland 1950 Rebuilding of Warsaw postage stamps | 11 | 
| Persian mystery - 1906 Provisoire postage stamps with unlisted overprint | 13 | 
| Argentina  1862 Coat of Arms stamp - a common counterfeit | 3 | 
| Collecting stamps of Trucial states (1973-) – United Arab Emirates | 6 | 
| Collecting stamps of Trucial states (1963-1973) - the stamps of sheikdoms of Abu Dhabi, Ajman and Manama, Dubai, Fujeira, Ras al-Khaima, Sharjah, and Umm al-Quwain | 4 | 
| Collecting stamps of Trucial states (1892- 1963) - British Postal Agencies in Eastern Arabia, Trucial States | 6 | 
| Hungarian 1986/1991 definitive postage stamp series: "Castles I" | 12 | 
| 1977 South African (RSA) definitive stamp series "Protea plants" | 22 | 
| Nigeria 1973 definitive postage stamps | 8 | 
| The US 4c Dag Hammarskjold invert stamp error | 17 | 
| 1877 3d red Samoa Times Express stamp | 10 | 
| UK 1971 strike mail letter from Malawi | 4 | 
| The Camel Postman stamps of Sudan - evolution of a classic | 8 | 
| Goddess of plenty - more about Seebeck postage stamp reprints | 4 | 
| Seebeck postage stamp reprints | 3 | 
| Five-year Plan definitive postage stamps of East Germany (DDR/GDR) | 40 | 
| My Stamp collection | 22 | 
| Stamp trading should be equally beneficial | 3 | 
| Damn unsoakable (American) postage stamps. Or if you can't soak them, then... | 86 | 
| Lundy Puffin postage stamps | 47 | 
| Introduction to United States Precancels | 20 | 
| Swedish Landstormen semipostal postage stamps | 0 | 
| Classic Austrian / Austro-Hungarian postage stamps | 40 |