to my limited knowledge yes.but wait to see if F-B joins in.
Whatever its just an opinion.
If the latter: There was quite a large number of different SS sleeve diamonds.
Even if we disregard those that would not appear on a black greatcoat (i.e. wartime ones specific to the Waffen-SS) there still remain two dozen or so different possibilities.
Hooray for Andreas! I did not do well at geometry. I needed a tutor.
The syndrome of remnants of insignia is not untypical with black SS regalia.
And then some ..