The error world : An affair with stamps /

Míreanna comhchosúla

• Errors in Postage Stamp Design /
  de réir: Irvine, David E. G.
• The Whole World Stamp Catalog : Current stamps and postal items from over 200 countries and where to buy them /
• Stamps and Stories : The encyclopedia of U.S. Stamps /
• Collecting Stamps : Everything you need to know to pursue the world's most popular hobby for fun, knowledge, and profit. /
  de réir: Villiard, Paul
• Stamps as an Investment /
  de réir: MacGuffin, R. D. Miembro de la Sociedad Filatélica Americana, la Sociedad de Filatélicos Americanos, y ex presidente del Club de Sellos de Filadelfia