Flag of the Minister of Defence of Finland used in 1971-1978
Own work, based on pages 468 and 492 in the book "Suomen lippu kautta aikojen" by Caius Kajanti. Elements from File:Flag of Finland 1920-1978 (Military).svg and File:Flag_of_the_Minister_of_Defence_(Finland).svg
Fenn-O-maniC