Description
1879 MAIL DERBY TO YORK WITH 1½D PL.3 (SG51)(OA). Envelope with 'MIDLAND RAILWAY.' imprint at top from Derby to York with 1½d pl.3 (SG51) lettered OA, one short perforation and tone spot, tied good strike 'DERBY/242' duplex AP 8 79. Unusual franking. (Ref 139298).
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