TAUROGGEN (Lithuania): 10 kopeck brown & blue, large margins, tied by boxed "TAUROGEN 28 MAR 1858" to lettersheet with reverse side oval handstamp "SPEDITIONS-GESCHÄFT JOHN G. KNIEP/TAUROGGEN", to Riga, with arrival mark. Supposed to origin from (most likely) German soil and forwarded. Just four similar entires with the Kniep handstamp have been recorded. Certificate Buchsbayew (2013)
