A Kriegsmarine E-Boat Badge By Schwerin & Sohn Of Berlin; 2Nd Type; 1St Variety Hold with the most common causes

with the most common causes being the overuse or over-stretching of a muscle or group of muscles

The front has two pockets sewn in place

This is a very well preserved example of a converted army-use helmet

Third postcard illustrates a zeppelin flying over Kiel on the obverse

Footnote: Officially engraved Birk

A Kriegsmarine E-Boat Badge By Schwerin & Sohn Of Berlin; 2Nd Type; 1St Variety Hold with the most common causesA Kriegsmarine Schnellbootkriegsabzeichen; in silvered zinc; horizontal pinback and hinge missing, but with flat wire catch and a striated top hook; marked Fec. W. E. Peekhaus, Berlin for the designer, and Ausf. Schwerin, Berlin for the maker; measuring 59. 61 mm x 52. 56 mm; weighing 30. 3 grams; fine condition.