Bidspirit auction | Portugal * 1926 - Ceres.

Portugal * 1926 - Ceres. London Issue. Design by Eugénio Carlo Alberto Montoni from the original by Constantino Fernandes and typographed by Thomas de La Rue. Final proof of the die in black of the 50c denomination on a block of coated cardboard measuring 61x92mm, imperforate, with printed marginal inscription ”AFTER STRIKING”. Very rare proof.