CIRCULAR DELIVERY COMPANY. 1866 London Circular Delivery Company one farthing deep blue pin perf 10½-11 (CD 31) ERROR IMPERF BETWEEN (vertical pair). A fine o.g. top marginal block of 9, crease at lower right affecting two stamps and light soil and small tear/soil at upper left but a rare new discovery with ALL STAMPS IMPERF BETWEEN (vertically). Strips £650.00, £675.00 and £500.00 from left. (Ref 56131).