A German Imperial Observer Officer’s Badge by Juncker; Published Example

In silver plated brass, center square section enameled, unmarked, but typical Juncker, Berlin manufacture (type 5), 45.2mm x 71.29mm, weighs 21.5 grams, with nice dark patina, in worn condition, very fine. (Illustrated on page 244, Carsten Baldes "Aircrew Badges and Honor Prizes of the Flying Troops").