Category: China Ministry of Posts and Telecommunications (中國郵電部)

First National Postal Conference (第一屆全國郵政會議)

China Ministry of Posts and Telecommunications (中國郵電部) Yang C49-50, J.DB — Originals: Reprints: Differences between originals and reprints: a.) Perforation: L14 (originals), L12½ (reprints) b.) Reprints have a slighter different color shade and a more accurate drawing so you can recognize…