1964 HIGH VALUE PACKET SERVICE/£1 CASTLE ISSUE. Linen parcel tag (slight creasing and very small part missing) sent registered mail with red "HVP" label with 9d Wilding and £1 Castle from London to "BANK OF SCOTLAND...EDINBURGH" cancelled "REGISTERED/ 16 MCH 64" oval datestamps with "BANK OF SCOTLAND" receivers datestamp same day. £1 Castle corner faults but scarce commercial usage of this stamp. (Ref 77642).
