lot no. 1440, FREE CITY GDANSK POSTAGE DUE STAMPS cat. no. P 34II  | ⇦ ⇧ ⇨ |
1923, 40 Pf. Dark cobalt with plate flaw 0 the indication of value 40 at the bottom open, superb, expertized Kniep, Michel 100.-1923, 40 Pf. dunkelkobalt mit Plattenfehler "0 der Wertangabe 40 unten offen", Pracht, gepr. Kniep, Mi. 100.-