Bidspirit auction | Italian Area - Vatican City

Italian Area - Vatican City - Semi-Postal issues - 1933 Holy Year issue, 25c+10c - 1.25L+25c, composite die proof in carmine, printed on thick white card, size 170x222mm, ''Institut de Gravure et D'Impression de Papiers-Valuer...'' imprint at bottom, fresh, VF and extremely rare, only a few are known, Sassone #15-18, Est. $2,500-$3,000, Sc. #B1-4