A rare coin minted by Marcus Junius Brutus after he helped assassinate Julius Caesar will go to auction next week. The gold coin — one of only 17 of its kind known to exist — dates to 43 or 42 ...

A few centuries later, Julius Caesar was the first Roman leader to have his portrait on a coin while he was still alive, one denarius minted just days before his murder in 44 B.C., the museum said.