STC267581 Roger Sommer (1877-1965) flying a record distance in his Sommer Biplane from Charleville to Verdun, May 1910, published by Mabileau, Paris, 1910 (pochoir print) by Montaut, Marguerite (Gamy) (fl.1909-14); Private Collection; (add.info.: Gamy-Montau series; (240km); Charleville-Verdun; early days of flying;); The Stapleton Collection; French, out of copyright.