a Owl
In Athens, the AΘE stands for ATHEÖN which means the people of Athens in Greek.
It was Athens
The symbol of currency is usually attributed to a coin.
BTU on a coin typically stands for British Thermal Unit, which is a unit of measurement for energy. It is not a common abbreviation or symbol found on coins for monetary value.
Please post new question with the date, denomination and the symbol you see on the coin.
Athena's owl.
You would find the Parthenon in Athens, Greece.
Athena
Marfin Popular Bank trades on the Athens Stock Exchange under the symbol MRBr.
They had the letter A (alpha) on their shields, and their city symbol was the owl of Athena, their patron godess.
The design on the back of the coin is the Canadian Coat of Arms.
On Greek coins, "AOE" often stands for "ΑΘΕ," which is an abbreviation for "ΑΘΗΝΑΙΩΝ ΕΠΙΓΡΑΦΗ," meaning "of the Athenians." This indicates that the coin was minted in Athens or relates to the Athenian state. The abbreviation can also be found on coins from other regions, reflecting local governance or authority.