Brunei was occupied by the Japanese from December 1941 to June 1945 and current Brunei stamps were overprinted with Japanese characters and issued in 1942.
1942-44 Stamps of Brunei Handstamped
SG
SCOTT
B&K/CW
Description
Blk 4
um
vfm
vfu
J1
N1
1c black (violet ovpt)
J2
N2
2c green
J3
N3
2c orange
J4
N4
3c green
J5
N5
4c orange
J6
N6
5c chocolate
N7
6c greenish grey
J10
N10
8c red
J11
N11
10c purple/yellow
J12
N12
12c blue (violet ovpt)
J13
N13
15c ultramarine
J14
N14
25c slate-purple (violet ovpt)
J15
N15
30c purple & orange-yellow
J16
N16
50c black/emerald (violet ovpt)
J17
N17
$1 black & red/blue (violet ovpt)
All stamps sold are offered on a
"NO QUIBBLE, FULLY REFUNDABLE"
basis, provided they are returned within 14 days of receipt
and are in good order.