Mueller-Mark, Old German States under the magnifying glass, volume I to III, fourth edition, linen hardcover.

Prussia, Karlfried Krau+?, \"the Prussian nummeral cancel\" (2009), 584 sides, complete in colour, parts documentation (140 S. ) and catalogue (444 S. ), partly bilingual German and English, with illustration of all nummeral cancel, for the first time with illustration the types & whose valuation lots and on cover, documentation of all relevant decrees in the original, cover in leather, with slipcase, very rarely offered!

Saxony, Buehler, Georg, Saxony 3 penny red, 1978, handbook in limited edition from 500 piece, here however without stamped into number, good condition (dust cover minimum tear), rare!

Zangerle, Dr. K., porto letters in the international traffic as supplement to the handbook the international rates 1850 - 1875, Kaiserlautern 2003, good condition of the sought-after standard work.