, triangular-framed "T" and, on reverse, bearing 8c. orange vertical pair tied by Muar double-ring d.s. Rare. S.G. JD3B. Photo" /> cover 1942 (11 July) envelope from Johore Bahru to Muar bearing Straits 8c. with single frame chop in red, tied by double-ring d.s. and showing manuscript<I> "Containing 2 Letters. To pay 16cts"</I>, triangular-framed "T" and, on reverse, bearing 8c. orange vertical pair tied by Muar double-ring d.s. Rare. S.G. JD3B. Photo | Christie's