The Dies of the Postage Stamps of Portugal of the Reigns of Dona Maria II and Dom Pedro V, by R.B. Yardley.  Philatelic Record Handbooks No. 4. The definitive work on the dies of these classic issues.  There is a complete set of 30 B&W plates included.  Published in 1907, in English, 38 pages, hard cover with original glassine wrapper with faults that served as a dust jacket as well as the original purple ribbon which is still fresh and bright, in excellent overall condition. Size: 6" X 10".