ITALIAN KINGDOM 1935 - 380+385: Pro Opere 20c.+10c. carmine and 30c. brown on envelope to Paris
1935 - Kingdom of Italy: Pro Opere 20c.+10c. carmine and 30c. brown, Aeronautic Fair, block of 4, on envelope from Milano to Paris (France). Rare and superb (Sassone 380+385 - € 1340)