1858 (Apr 24) blue entire to Milan, Lombardy franked 1855-57 4d. wing marginal and two 6d. paying the double rate from London but not cancelled so struck with three ‘GB/ 2f62c’ accountancy handstamps upon rrival in France, oval-framed P-D. below and additionally endorsed “80” in red manuscript denoting the share of the postage in Centesimi due to the local postal authorities from the British Post Office, reverse with blue London thimble despatch and Milan arrival. Fine and most unusual.