1887 - Kingdom of Italy: Umberto, 20c orange, perforated "C18" and 5c green in additional franking, numeral cancelled with bar postmark "18" on franked lettercard from "MODENA 8 18 87" to Nice, France. Very rare the Francalettere to foreign countries, superb. Sorani's certificate (Sassone FR4+37 - € 5.000+)