The wall plaque as shown is not a typical HJ plaque, and would not be announced specifically
for the HJ in their regulations. The plaque goes in use with the so-called Hoheitsschild der NSDAP
(the white plaque with back eagle) - and so it is a NSDAP-matter.
The shown plague is hung beneath that one and is known as Beischild zum Hoheitsschild or Hauptschild,
a secondary wall plaque. If needed one could make one sample only. They were not that expensive
in those days. I thought it was about 1.50 RM.
I guess the size will be 18.0 x 50.0 cm? I do not know if this type is faked, but there do exist
plaques with the same text where the letters are shaped somewhat differently.