FOLLOW THE MONEY

Means you can follow the symbols on the money to see who controls the currency at the time. There's the Red Cross and the Black Cross and the Maltese Cross. A lot of coins have crosses and wreathes! The Iron Eagle is ALSO AN AZTEC THUNDERBIRD

>>2778180

Aztec Thunderbird looks like the Iron Eagle which sometimes holds the Iron Cross which originates from the Tuetonic Order form 1190

https://en.wikipedia.org/wiki/Teutonic_Order

THERES A RED AND BLACK CROSS