Stamps of Italy Used Abroad by S. D. Tchilinghirian & Rag. R. Bernardelli (Parts I-V) and Part VI edited by Silvio Sorani, complete set of six volumes in pristine condition. A scarce and outstanding reference work.
Stamps of the Russian Empire Used Abroad by S. D. Tchilinghirian & W. S. E. Stephen (Parts I-VI) complete set of six volumes in pristine condition. A scarce and the most outstanding reference work on the subject.