Asta Bidspirit | Portugal * 1912 – Ceres.

Portugal * 1912 – Ceres. OM58, 2+2c. Colour proof of postal stationery, in dark carmine, on THICK cardboard (not approved), with the value not opened on the die, of the 2nd sheet of the entire “RÉPONSE”, with black overprint “SPECIMEN”. Entire, with a stain on the back, with good colour, very well preserved.