Netherlands East Indies. (Marine Post). 1940. Envelope addressed to 'The Department of Marine, Batavia' bearing Netherlands Indies SG 401, 5c ultramarine tied by Batavia date stamp '29th Dec 40' with 'Marine Censor' label in pink tied by framed 'Marine Censuur/ L' with boxed instructional 'Verzoeke Kwaliteit en Stamboeknummer te Vermelden' struck three times on face in carmine (state the requested quality and studbook number'.
Very unusual item.
Ex Paul Bulterman.