SUOMEN TANKKILAIVA O/Y.

Wilkinki’s April 1961 funnel is black with a broad blue band edged white above and below, bearing a white W touching those edges.

Wiiri has the reverse arrangement: a black funnel with a broad white band edged blue above and below, and a blue W touching the blue edges.

Wilke’s May 1963 funnel has a base described as stone, or yellow/buff in the general description, with a black top above a broad blue band edged white and a white W touching the white edges.

Wilke at New York in August 1973 was recorded with a regular block-form W.