Authors: 'X-Z'
Peter Young
4 articles279 1867 Spray Watermark Reversed?
298 (et al) QV Jubilee Study Circle
330 The Colour of the Die 1 Penny Lilac from Ink 950
364 The Proposed Diagonally Perforated Stamps
Anthony Zenios
7 articles278 2½d Prussian Blue
283 Perforation Types on Later QV Controls
312 George V Shade Expertisation
314 (et al) Shades
315 (et al) More on Shades
319 Shades
338 50 Shades of Grey
Jack Zhang
2 articles403 Society Displays: Napoleonic Prisoners of War — Richard Farman
405 Society Displays: Bells' Photo Company Limited — John Copeland