Because Postage Due stamps were missing in several Post Offices end 1919, definitive stamps of the issue 1915 were used with a large letter "T" overprint.
MICHEL mentions this use, but doesn't attribute a separate Postage Due - number to this stamps.
BELGIAN Catalog describes also a variant: TX24A with perforation 15.
Because Postage Due stamps were missing in several Post Offices end 1919, definitive stamps of the issue 1915 were used with a large letter "T" overprint. MICHEL mentions this use, but doesn't attribute a separate Postage Due - number to this stamps.
