On a red shield, Rothschild
Perhaps this guy is a low level Rothschild and was expendable. Q questioning whether spooks are hard to find could mean that they had to use one of their own. Just thinking out loud
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While that is a reasonable and laudable guess, and could even be true, nevertheless, I think we need to be cautious about that particular leap. Not all red shields are representative of the Rothschilds. Red was actually a fairly common shield color for many families. The Ramos family was from Spain. Not sure where the Rothschilds are from, but I want to say Germany or thereabouts. I could certainly be in error about that guess.
https://www.heraldryandcrests.com/pages/test
Gold
Symbolizes the Sun, Power & Splendor
Red
Symbolizes Mars, Military Fortitude
Dont put much effort into interpretation of this. Its bogus. Anyone could buy one for any name even if there was no European heritage. My mom got one for a cat with a non-existent last name. The company that creates them found a bogus noble European branch of a Japanese family for a friend of ours!
Now that Ive been thinking about it, there was a website that allowed you to create your own Coat-of-Arms and print it back in the mid-2000s.
Found quite a few now online Coat-of-arms/family crest creation sites.
Heres one:
http://www.mytribe101.com/crest/