Flag of Koriyama, Fukushima, Japan.
Flag of Koriyama, Fukushima.png. The flag is based on the symbol announced on the municipal notification No. 86. on April 1, 1967.（「図典 日本の市区町村 p51」1930年6月5日制定）
Kzaral (original raster), Ch1902, Mike Rohsopht