1963 HIGH VALUE PACKET SERVICE/£1 CASTLE ISSUE. Linen parcel tag (very minor creasing) sent registered mail with red "HVP" label with Wildings 3d and pair of 1/6d also £1 Castle (one short perf) tied "REGISTERED/12 DEC 1963/LOMBARD STREET" oval datestamps with "BANK OF SCOTLAND" receivers datestamp 12.DEC.1963. Very scarce commercial usage of the £1 Castle. (Ref 77633).
