1861 REGISTERED MAIL BIRMINGHAM TO LONDON. Fine letter sent registered mail Birmingham to London with good horizontal pair 4d pale carmine (SG66a), left stamp several shorter perforations and cancelled/tied '75' numerals of Birmingham and fine strike oval 'REGISTERED/LONDON' date stamp in red 3 AU 61. On front good strike of the small type (20mm) BIRMINGHAM date stamp AU 2 61. Letter within 'I now enclose Half Bank Notes Value One Thousand Pounds...'. Fine usage. (Ref 121534).