Hello
About the pickelhaube of jupiter 66, it is not possible to say if this is Saxe Coburg Gotha or Saxe Meningen
We can see the second marking after IR95 is 3BRIR82
this 3th battalion is composed of soldiers of the two duchies
RIR82 (I Armee, IV Reserve Korps, ResD22)
I Bat Sonderhausen
II...