You are looking at an Antique German Koch & Bergfeld, Bremen 900 Silver Flask
Outstanding German silver flask featuring a hand chased crowned aristocratic monogram. Shaped to anatomically fit a pocket and masterfully crafted with a strong hinge and closing mechanism. Probably made in the 1930s. Clean, simple and elegant design.
This great piece measures 4 1/2" tall x 3 3/4" wide x 3/4" deep and weighs 195 grams.
Excellent condition with a dark patina. Closes tightly.
Incredible piece!