Russia. (Poland). 1846. Folded entire addressed to France written from 'Warsaw' dated '16th Mai' cancelled by Warsaw date stamp in red on face with hand-struck 'Franco/ Poln. Preuss. GRZ' (Van der Linden 1501) and 'C.R.P.F.' (Correspondance Russe Port Frontier) (Van der Linden 839) and 'Prusse/ Givet/ 3' French entry cachet in red on face and rated '30' in m/s on arrival with Reims receiver '21st Mai' on reverse. Very nice item of transit mail from Poland via Berlin.