

This postcard has been sold
Postcard showing the Sommer biplane in flight, with printed technical specifications: wingspan 10 m, surface area 36 m², total weight 320 kg, Gnôme 50 HP engine, and a small vertical tail. On the reverse, the publisher is J. Hauser, photo-publisher, Paris, with lines for correspondence and address. The reverse also shows a stamp trace and a partially visible postmark.