Asta Bidspirit | Portugal * 1912 – Ceres.

Portugal * 1912 – Ceres. Letter-cards. OM17, 2 ½ + 2 ½ c. Proof in brown on yellow cardboard, with the value not opened on the die, but it handwritten in red “2 ½ c”, only on the first sheet, with black overprint “SPECIMEN”. Proof without damages or repairs, with good colour, well preserved. ONLY ONE KNOWN.