Wow! Since that one has the corkscrew instead of Phillips driver, would that be an "Officer's" knife? Matt in Texas
Rather, non-commissioned officers association
The easiest way to look at the source --> http://www.asso-yverdon.com/historiquesociete.htm Association Suisse des Sous-Officiers = Swiss Association of Non-Commissioned Officers
They don't tell you though if other chapters got special knives.