Postal History and Covers - Durham: Sunderland, a collection incl. 1809 entire letter to Durham with “SUNDERLAND/276” mileage mark on rear, 1823 outer to Hexham with “SUNDERLAND/276” mileage datestamp on rear (2 strikes on consecutive days and probably representing late mail not processed until the following day), 1840 (Nov.) outer to Hebburn franked 1d. black plate 4 SC re-entry tied by red Maltese Cross cancellation, 1841 (Aug.) entire letter to Hartlepool franked 1d. red tied by two strikes of a black Maltese Cross cancellation and later range of numerals, duplexes, double ring c.d.s., machine cancellations, meter marks etc. (65 covers + some pieces) (Image1)