The company is Aachener und Muenchener Feuer Versicherungs Gelsellschaft (Aachen and Munich Fire Insurance). The company, initially founded in 1825, is a coglamorate of insurance firms in the area of those cities.
The Certificate, with a face value of 1000 Reichmarks, was issued from Aachen on 1 July 1930. It is 12 X 8 inches.
The certificate is authentic, historic, beautifully engraved, in excellent condition. It's a great souvenir of Germany.