cover 1870 (Feb.) envelope ex the "Pontifex" correspondence from Queenstown to Berbice, bearing 1866 perf. 10 12c. grey-lilac trisected horizontally cancelled and tied by "B G A 3 C" c.d.s. (Fig.5), a further strike, Demerara and Berbice c.d.s. on reverse; the envelope damaged at top through opening and other faults. Also two further envelopes from the same correspondence bearing 2c. (2) or 4c., the group illustrating three forms of the 4c. inland rate, the trisect being one of only a handful of recorded examples. R.P.S. Certificate (1994) for trisect. Photo