George IV 1829 Wrapper to Dudley with early usage of Halesowen 128 mileage mark

George IV Wrapper sent from Halesowen to Dudley. Manuscript 4d to pay on the front and dated 23 December 1829. On the reverse an early usage of the Halesowen 128 mileage mark (It was in use between 1829 and 1846)