1864 REGISTERED MAIL SANDBACH, CHESHIRE TO CAMBRIDGE 6D LILAC (SG84). Envelope sent registered mail Sandbach, Cheshire to 'Professor Adams, The Observatory, Cambridge' with 6d lilac (SG84) lettered RB, closed tear and centred low tied fine strike '687' numeral of Sandbach. On front 'SANDBACH' date stamp JY 1 64 and oval 'REGISTERED/LONDON' date stamp in red 2 JY 64. (Ref 142608).
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