Three photographs were taken on June 5, 1955 at about 07:30 P.M. near Namur. The witness indicated that he has visually seen a sharp gleam moving high in the sky without any noise and at high speed. He indicated that the gleam accompanied an object of discoïdal shape leaving a white trail behind him.
The second photograph taken on June 5, 1955 in Namur. The witness continued by indicating that the object lost altitude, made a turn and then went upwards to reach his own trail.
The third photograph taken on June 5, 1955 in Namur. The witness continues by explaining that when the object joined its trail, the trail was disspating, the UFO then accelerated and left, while luminous particles were ejected behind it.
This picture made it to my mailbox in 2005; see report here.