Japanese Occupation 1942: Cover to Kuching franked by Japan 1937 8 s. violet tied by double ring 'Simanggang' cds (17/12) struck in violet (Proud JD1) with circular red Censor chop at left. Some soiling but scarce.
Japanese Occupation 1944: Re-used British OHMS envelope addressed to Kuching franked over red Censor chop by Japan 1939 8 s. violet tied by bold strike of 'Kuching' cds (July 20) in black (Proud JD4). Scarce.