Russia. (Memel). 1846. Pre-stamp envelope addressed to France written from 'Gzack' dated 'Aout 1st 1846', cancelled by hand-struck 'Gzack/ Aout 1 1846' on reverse with hand-stamp 'R' (Van der Linden 2383) and 'C.R.P.F.' (Correspondence Russe Port Frontier) Van der Linden 839, routed via Tilsit '21/8' with 'Prusse/ Givet 3' French entry cachet in red on face and rated '30' in m/s with Paris arrival and oval '1d' for local delivery. Very nice item via Memel.