1921 UNDERPAID MAIL BRIGHTON TO NORWAY/NORWEIGAN STAMPS USED INSTEAD OF POSTAGE DUES. Envelope Brighton to Bygstad, Norway with KGV ½d (SG351) and 2d (SG366) cancelled BRIGHTON 9 AUG 21, postage underpaid with tax mark. On reverse Norweigan stamps 5 ore and 10 ore x 2 used instead of postage dues and cancelled BYGSTAD date stamps 15 VIII 21. Rear flap tear clear of stamps. Unusual usage. (Ref 108261).