News and articles

Read the article published by the New York Post on September 6, 2018, An Inverted Jenny Surfaces. The Flawed Stamp Had Not Been Seen Since 1918


Also, consult the most recent publication from our member Jean-Pierre Hoesli on the color of stamps. Jean-Pierre will give a talk on the subject on Monday October 1st at the meeting.


Articles published by APO members

L'identification de la couleur d'un timbre, par Jean-Pierre Hoesli
Article J.P.Hoesli_Couleurs-3.pdf
Document Adobe Acrobat 450.5 KB
Germania, une introduction à un timbre banal et extraordinaire, par Jean-Pierre Hoesli
Document Adobe Acrobat 2.0 MB
Les timbres CFF, par Jean-Pierre Hoesli
Timbres CFF finale.pdf
Document Adobe Acrobat 2.8 MB
Les timbres CEPT et Europa, par Annette et Jean-Pierre Hoesli
Document Adobe Acrobat 2.3 MB
Indonesian Stamps, mirrors of political turmoil, 1945-1949
JPH (Indo-Eng).docx
Document Microsoft Word 3.7 MB