5d franking on a lettersheet from London to Bordeaux, franked with two 1d Bluish Lilac SG172a and a 3d Rose SG158 from plate 21, lettered OC. Cancelled by 3x London Squared Circle 'AU 12/82'
Printing Dates
Plate 20 Put to press 1880 Earliest date of use 29th January 1881 Plate 21 Put to press 15th July 1880 Earliest date of use 23rd August 1881