PRECURSEURS AVIATION - VERY RARE VIGNETTES du MEETING REIMS 1910, 2nd BIG WEEK OF AVIATION IN CHAMPAGNE. NON DENTELEE pair of 2 stamps standing together: biplane flying over the statue of Joan of Arc on horseback and monoplane flying over the cathedral - the 2 Silombra stamps V 33 and V 31. Lithography by Delbar in Reims, Silombra catalog value 1989: three thousand francs.

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