4U_OH6XY

front side QSL card, of 4U/OH6XY to IK6BAK, November 26, 1987, CW
rear side QSL card, of 4U/OH6XY to IK6BAK, November 26, 1987, CW
letter envelope QSL card, of 4U/OH6XY to IK6BAK, November 26, 1987, CW