I The C3a "Jenny" MultiPles By Dr. Roberto M. Rosende ith the recent expertization of the two Arthur J. Kobacker C3a blocks, The Philatelic

Source URL: www.philatelicfoundation.org

• Airmail
• Inverted Jenny
• Postage stamp
• Philatelic Foundation
• Plate block
• Eugene Klein
• Philatelic fakes and forgeries
• Raymond Henry Weill
• Philately
• Collecting
• Postage stamps of the United States