DDR pin from 1967. The FDJ (Free German Youth) was for promotion of communist behaviour and was often a stepping stone to the army or to the SED (Socialist Unity Party Germany). The FDJ organised annually Parlament (Congress). In total they had 12 congresses, the first one in 1946 and the last one in 1985. It was ment to initiate new members and to celebrate members who leaved the FDJ to go into the army or to make a political career. This pin is from the 8th. parlament in 1967 in Karl Marx City, now called Chemnitz.