SERBIA – Derocco, E.: Geschichte der Postwertzeichen von Serbien 1866–1911 (1914), 69 pages, softcover, rare study! PLUS: Kardosch, Dr. Velizar M.: The Principality of Serbia. Postal History and Postage Stamps 1830–1882 (1996), 383 pages, numbered edition of 600 copies (this is No. 219, with a letter written by the author to T. Bjäringer, hardcover. The book is the ultimative work about Serbia and got a Gold medal at the Istanbul 96 exhibition. PLUS: Rasic, Mirko R.: The Postal History and Postage stamps of Serbia (1980), 276 pages, hardcover. Good condition. Estimate: 200 Euro
