cover 1943 (25 May) U5 registered to Singapore bearing, on reverse, Straits 8c. vertical pair with red single frame chop, Straits "DAI NIPPON" 2c. pair and Selangor "DAI NIPPON" 3c., all clearly tied by "LABIS" c.d.s., showing Johore Bahru and arrival c.d.s. with red registration seal label tied by purple censor chop. Scarce and attractive. Photo