An early example by maker "WKC
Manitoba with the 8th Infantry Battalion
by Viennese maker Rothe (double marked FR and also Gemsenkopf mark for 18Kt
Solingen with the company's squirrel insignia inside the inscribed oval on the ricasso
A Rare Cased First War Bulgarian Air Force Observer's Badge; Type I certificate_of_authenticity An early example by makerBadge made in silver, weighing 25. 2 grams, hollow center, 42. 33mm x 76. 85mm, vertical pinback, of superb German manufacture, excellent details, with nice dark patina; unmarked badge, in extremely fine condition (for identical type of reverse pin set up on German pilot's badges, see Carsten Baldes, "Air Crew Badges and and Honor Prizes of Flying Troops", page 183 184"); together with a miniature (for chain kette wear); and in fitted case of issue,