1837 Entire to Copenhagen with endorsement for conveyance by steamship „Nicolay I“ (of the St. Petersburg-Lubeck Steamship Co.) with very clear three-line „KRONSHTADT / PARAKH. STEAMER“ 2 10 1837 ds, with Hamburg and ms receipt for Copenhagen An example of an „anti-bootleg“ mark applied at Kronshtadt to indicate and reassure ship’s inspectors that postage had been paid.