Postal Stationery items

Quality: PWST

Stibbe nr 58-Cu (2x - one reply and one demand cards), with inverted surcharge "30" instead of "15", both with an additional "10c carmine Mols Bilingual 1915 issue type 1" surcharged "15" rotated at 90° to the left, both with "CARTE POSTALE INCOMPLETE" straight-line mark, quality to be checked