1841 Entire to London with endorsement for conveyance by steamship “Jupiter” with three-line “KRONSHTADT / PARAKH. STEAMER” 7 6 1841 ds, with “Gravesend /Ship Letter” boxed hs and London arrival, fine An example of an “anti-bootleg” mark applied at Kronshtadt to indicate and reassure ship’s inspectors that postage had been paid.