1964 HIGH VALUE PACKET SERVICE/£1 CASTLE ISSUE. Linen parcel tag (slight creasing) sent registered mail with red "HVP" label with 9d Wilding and £1 Castle (corner fault) from London to "BANK OF SCOTLAND...EDINBURGH" cancelled "REGISTERED/2 MCH 64/LOMBARD STREET" oval datestamps and "BANK OF SCOTLAND" receivers datestamp same day. Very scarce commercial usage of the £1 Castle. (Ref 77650).
