1941 use of 1g purple, 40c green & 5c blue, cancelled with double-circle 'BATAVIACENTRUM/6.1.41-9/' (B1), on cover to Ann Arbour, Michigan, USA, sealed at left with 'DOOR CENSUUR GEOPEND' tape in black on brown, bearing double-circle 'CENSUUR/8.1.41.18/4' (A1-) & red circled 'DEV./1' (A1). (Image1)