Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - French Colonies - French Morocco - 1950, 25th Anniversary of the Air Mail route Casablanca - Dakar, 15fr+10fr in blue green with carmine color (flight itinerary) omitted, top left corner sheet margin block of four, full OG, NH, VF and rare multiple, Yvert #74a, C.v. €1,740++, Est. $1,000-$1,200, Scott #CB35 var