cover 1878 (25 Apr.) double rate entire per General Meade bearing 1/-, 1878 (29 May) triple rate entire bearing 6d. dull mauve and 1878 (11 July) double rate entire bearing 1/-, both per Canima, all three ex the Gray correspondence from Hamilton to London with "2" K1 cancellations and Hamilton H1 c.d.s.; all three with filing creases and recipient's notes across, or partially across, the face panels