
Brönnimann: The specific name of the contracted Swiss saddler who made the leather components. Sattlerei / Zurich: Indicates it was produced in a traditional leather and saddle workshop based in the city of Zürich, Switzerland. 52: The official military acceptance year, meaning it was made in 1952. Given the year 1952, this marking is highly characteristic of the iconic Swiss Army M52 "Salt and Pepper" Rucksack.
These rugged canvas and leather packs were heavily utilized by the Swiss military.