Literature - General

Quality: LIT

Vorphilatelie (Band 1 + 2); Dr. Joachim Helbig; MICHEL - Schwaneberger Verlag GmbH; 2004 - 2017; Printed; bound; German; 112 + 144 pag.; soft cover; very fine; Both volumes of Dr Helbig's treatise on pre-philately, containing a wealth of useful information and enabling the reader to decipher most of the markings on pre-philatelic envelopes.