Portugal blocks of 4 MNH stamps 1960-1969

Portugal blocks of 4 MNH old stamps 1960-1969 - quadras de selos Portugal 1960-1969.
We offer MNH - mint never hinged blocks of 4 stamps from Portugal from years 1960 to 1969. We have over 500 different blocks of 4 stamps, some of them very valuable and rare stamps