cover 1885 (25 May) and (14 Sept.) envelopes ex the "Anson" correspondence to London, bearing 1882 2c. strip of four (one with perf. defects at foot) and 8c. respectively, each tied by clear "MAHAICONY/B.GUIANA" double-ring d.s. (Proud Type D4) and showing, on reverse, Georgetown and arrival datestamps

Details
cover 1885 (25 May) and (14 Sept.) envelopes ex the "Anson" correspondence to London, bearing 1882 2c. strip of four (one with perf. defects at foot) and 8c. respectively, each tied by clear "MAHAICONY/B.GUIANA" double-ring d.s. (Proud Type D4) and showing, on reverse, Georgetown and arrival datestamps