Poland 1918 Inverted and regular set on piece Used. ERROR
Poland 1918 Inverted and Regular Set Overprint ERROR.
Lublin issue on piece Used RARE HiCV
I have got oral opinion that both sets are genuine.
Austrian Military Semi-Postal Stamps of 1918 overprinted.
Scott #27-29
Top row- regular set. CV $22.50
Bottom row - inverted. CV $240
