and then forwarded to Tangour Hospital, showing Cairo c.d.s. (16.12) on reverse; the envelope with some minor peripheral faults. A great rarity from the Nile Expedition. S.G. 85. Photo" /> cover 5c. olive-green tied by clear Kingston duplex on 1884 (27 Nov.) envelope (with contents) to<I> "Surgeon Major Neilson, Canadian Contingent of Voyageurs, Wady Halfa, Egypt"</I> and then forwarded to Tangour Hospital, showing Cairo c.d.s. (16.12) on reverse; the envelope with some minor peripheral faults. A great rarity from the Nile Expedition. S.G. 85. Photo | Christie's