TEHRAN, Iran—An Iranian appeals court has upheld a verdict sentencing an Iranian-British woman long-held in Tehran to another year in prison, her lawyer said on Saturday. Nazanin Zaghari-Ratcliffe has already served a five-year prison sentence in the Islamic Republic. Her lawyer Hojjat Kermani told The Associated Press that the appeals court upheld a verdict issued earlier this year sentencing her to another year. The verdict additionally includes a one-year travel ban abroad, meaning she cannot leave Iran to join her family for nearly two years. In April, Zaghari-Ratcliffe was sentenced for allegedly spreading “propaganda against the system” when she participated in a protest in front of the Iranian Embassy in London in 2009. Kermani said Zaghari-Ratcliffe was “concerned” when he informed her about the appeals court decision. He said his client is in touch with her family. State media in Iran did not immediately acknowledge the ruling, apparently issued after …