Great Britain (France). 1868. Registered and Charged envelope addressed to France bearing SG93, 4d vermilion pair (plate 10) tied by'312' numeral with adjacent Glouster date stamp, routed via London with double oval 'Registered/RD/London ' date stamp in red on face with hand-struck 'Charge' in red and framed accountancy on reverse with 'Postes Calais/Paris' wax seals in red (2), France from the rare Plate 10 with very scare double circle Registered.