If you do a term search of "castle" on qmap.pub it bings up all the instances of its postings.
It has been used simply as "the castle" when referring to the white house per drop 3247, other instances show a difference of Green or Red castle…
Tim Pool also did a video on this article…he has his usual left tendencies and skepticisms, but one thing of note is that any mention of Eric Ciarmella will get his video, or facebook post deleted with out warning or reason…
https://www.youtube.com/watch?v=pNqfl8a0c5w
I'd say a mic on a stand…
I also thought it might be a marine saber, but they don't really ever hold them like that unless they are in a parade march and in the process of saluting, if I remember correctly…