ANK 189 – Austria 1946 – Postage Due Stamp 3 Groschen with black overprint “PORTO” – certified by Wallner
Offered for sale is a rare 3-groschen postage due stamp from the 1946 issue, featuring the black “PORTO” overprint (instead of the standard print color), in flawless mint never hinged condition.
The stamp was examined and certified as genuine by Dr. Ferdinand Wallner, Vienna. His handstamp (signum) is on the reverse.
The accompanying certificate from 1962 states:
“Austria Postage Due 1946, 3 Groschen
ANK 189 with fully valid black print – genuine.
(Signum on reverse)”
A certified rarity of Austria’s postwar philately – an excellent addition for specialized collectors of postage due issues!
