DERBYSHIRE: 1721-1924 entires, entire letters, envelopes and cards with 1721 from London to Derby, 1800 "DERBY" and "WIRKSWORTH", mileage marks of Alfreton(and mileage removed), Cavendish Bridge, Chesterfield, Derby and Wirksworth, and 1840 (Aug.) 1d. Mulready used at Derby; mainly fair to fine. (46)