POSTAL STATIONERY: 1971(?) Registered Letter Envelope (Quik R68 B) VARIETY DOUBLY FOLDED, 2-IN-1. Printed by John Dickinson & Co, during the folding production stage the feed machine has gripped two formes which have been made-up one within then other. See scans for detail. Most unusual, a great variety for this issue. VF. See additional images below.
