NEDERLANDSE MAATSCHAPPIJ VOOR DE WALVISCHVAART N.V.
image by Jarig Bakker, 1 February 2001
Brown gives a larger canton, while Stewart 1953 and 1957 add dots after the letters. Sources after 1956 show equal canton bands and separated letters.
US Navy 1961 shows only a very large W, placed at mid-fly.
Bakker’s version follows the Dutch house-flag chart issued with De Blauwe Wimpel in April 1956.