overprint to Muar, bearing additional 1943 Ploughman 8c. cancelled by "JOHORE BAHRU" c.d.s., showing censor cachet and, on reverse, red registration seal label. Photo" /> cover 1943 (28 Oct.) Straits 15c. registered U5 with <I>"Kanji"</I> overprint to Muar, bearing additional 1943 Ploughman 8c. cancelled by "JOHORE BAHRU" c.d.s., showing censor cachet and, on reverse, red registration seal label. Photo | Christie's