18세기에 발행된 포르투갈의 금화로, 국왕 주앙 5세의 이름을 따서 명명됨.
A Portuguese gold coin issued in the 18th century, named after King John V.
예문:
"The collector acquired a rare johannes minted during the reign of King John V."
"Merchants in the 18th century often traded using the johannes for high-value transactions."
"A single johannes was worth a significant amount of silver in the American colonies."