D5
Yellow-Blue-Yellow D
Blue-Yellow pennant 5
Flag rotated 90 degrees looks more like a pennant.
Sounds like you know more about the flags than I do. Suspect it is a small percentage of the population that knows anything. Just pointing out the visual appearance, not trying to converse in code.
https://en.wikipedia.org/wiki/International_maritime_signal_flags
I do like the ring to:
"Keep clear of me; I am manoeuvering with difficulty."
No one posted that as a Q drop/Trump tweet so will assume it is just a meme from here.
Stock Market Comms
Sorry no sauce but I saw a social media post claiming to be from the school district announcing a lockdown. Perhaps another Anon remembers. Was very early in the crisis. Might have been on half chan. Wasn't sauced then either but was screencap I do believe.
Take it for what it is worth.
Not sure about that site Anon.
Trump Twitter Archive says it is fake and gay.
It isn't there.