3 vintage anonymous photographs, first one has Charles Gilbert's russian stamp on the back.
Small piece of paper hand written by Gilbert: Groupe de pilotes aviateurs militaire a l'entrainement (commencement Juin 1914) formes a l'ecole d'aviation de l'IMOB. Partis sur le front des les debuts de la Guerre Mondiale. Moscou Juin 1914.
Henri Pequet, french aviator, and Charles Gilbert, french aeronaut, were instructors at the aviation school in Moscow around the start of the First World War.