1964 HIGH VALUE PACKET SERVICE/£1 CASTLE ISSUE. Linen parcel tag (slight creasing) sent registered mail with red "HVP" label with Wildings 3d, pair of 1/6d also £1 Castle cancelled "REGISTERED/13 JAN 1964/LOMBARD STREET" oval datestamps with "BANK OF SCOTLAND" receivers datestamp same day. Very scarce commercial usage of the £1 Castle. (Ref 77637).
