Russia. (Baltics - Memel). 1846. Pre stamp envelope addressed to France written from 'Gzack' dated 'Sept 30 1846' cancelled by hand-struck 'GZACK/ Sept 30 1846' on reverse with hand-struck 'R' (Van der Linden 2383) and 'C.R.P.F.' (Correspondance Russe Port Frontier) in (Van der Linden 839), routed via Tilsit '20/10' with 'Prusse/ Givet 3' French entry cachet '26/10/ in red on face and rated '33' in m/s, forwarded in Paris with arrival in blue '27th Oct' and oval '1d' with oval '4. d' on reverse and boxed 'J. 27' postman's chop for local delivery.