(Caicos Islands) to Bermuda "care of Middleton & Co, Brig Sarah", rated "4" and showing, on reverse, a good strike for 21 November. Photo" /> cover 1860 (5 Oct.) yellow envelope complete with contents headed<I> "East Harbr"</I> (Caicos Islands) to Bermuda<I> "care of Middleton & Co, Brig Sarah"</I>, rated "4" and showing, on reverse, a good strike for 21 November. Photo | Christie's