A pretty, vintage metal pin from former Czechoslovakia. The badge face is 1.5cm wide and has a stick pin fastener to the rear.
The pin advertises the OSZHE who were the Odborový svaz zaměstnanců v hornictví a energetice. Which, when translated, is the
Trade Union of Employees in Mining and Energy
This badge depicts the crossed hammer logo of the mining union and the lightning bolt of the energy industry.