Here is the first airmail label issued in France back in 1918's!!! Also it was the first ever label introduced in Europe and maybe around the world. the French had first applied airmail labels reading “Par Avion” to their airmails, on the inaugural Paris to Saint-Nazaire flight.
Year: 8.1918, Gummed. Günter Mair's catalogue no: - FRA-A-1, imperforated, sheets,
black/dark red, 6******