1941 UNDERPAID MAIL USED CAMBRIDGE TO KING'S LYNN. Window envelope (210 x 90) from Cambridge to King's Lynn with KGV 1d scarlet (SG463) cancelled CAMBRIDGE 2 OC 1941 with ms "Name Unknown undelivered" with boxed "UNDELIVERED FOR REASON STATED/RETURN TO SENDER" and MARHAM/KING'S LYNN.NFK date stamp 4 OC 41 with pair of ½d postage dues cancelled neat CAMBRIDGE cds 7 OC 41. Good usage. (Ref 104986).
