Essays
Here are links to various essays that may be of interest.
General Interest
- Mark Wilson. Types, Retouches, and Flaws.
Hradčany
- Raymond Van Handel. The Hradčany Issue: A Theory on Their Production.
- Mark Wilson. Notes on Variations in the Hradčany Issues: 1918-1920.
- Ladislav Olšina. The Arch Types of the Fifth Design 25h Hradčany.
The Nachod Gutters
- Mark Wilson. Forgery or Amazing Find?
- Mark Wilson. Johan Sevenhuijsen. The Nachod Discovery: Unique Hradčany Gutters Marked for Provisional Postage-Due Use.
- Mark Wilson. The Nachod Gutters Redux!!
Legionářské
- Mark Wilson. The Mystery of the Blue Lion.
- Zdeněk Molíš. The Jubilee and Charity Issue of 1919.
Masaryk 1920
- Mark Wilson. T. G. Masaryk 1920 Issue (125h).
- Awaiting Publication. Jindřich Látal. T. G. Masaryk 1920 Issue (500h).
- Awaiting Publication. Jindřich Látal. T. G. Masaryk 1920 Issue (1000h).
Agriculture and Science Issue 1923
- Mark Wilson. A Guide to the Types and Subtypes of the 1923 Agriculture and Science Issue.
- Awaiting Publication: Jindřich Látal. 1923 Agriculture and Science: 200h Blue.
- Awaiting Publication: Jindřich Látal. 1923 Agriculture and Science: 300h Purple.