1926. OFFICIAL NOMENCLATURE OF RADOTELEGRAPHIC STATIONS. International Bureau of the Telegraph Union, 11th Edition. Berne, 1926. (includes supplement No. 1, wear on spine)
International Auction #136
Wednesday, 7 October 2026 | 16:00
Lot 5
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Technical editor of the description:
Hermenegildo Trillo Barragán
htrillo@iberphil.com
Hermenegildo Trillo Barragán
Philatelic technician of Spain, Colonies and Worldwide
htrillo@iberphil.com