Great Britain. (France) 1870. Registered and Charged envelope addressed to France bearing SG 93, 4d vermilion pair (plate 11) tied by '763' numeral with adjacent Swansea date stamp and The Docks/ Swansea on reverse, routed via London with oval 'Registered /London ' transit with hand-struck 'Charge' on face and framed accountancy on reverse with 'Postes Calais/ Paris' wax seals in red on reverse (2), circular'PD',French entry cachet and Nantes arrival on reverse.Nice item of Charged mail to France.