8 Kop grey/rose-carmine horizontally striped paper, state arms 1875, vertical pair on envelope with sender's imprint "Palais Antichoff", addressed to Dowager Grand Duchess of Mecklenburg-Strelitz, single-circle S. PETERSBURG 1 12 JNR 1879 POCHTOVOYE OTDELENIE S. PETERSBURG WARSCHAWSKAYA ZHELEZNAYA DOROGA, arrival STRELITZ in MECKL 26 I 78, age and use wear typical of period; single franking on folded letter to Christinestadt (Kristinestad/Kristiinankaupunki, Finland, then Grand Duchy under Russian rule), circular dotted "1" (= St. Petersburg) and R2 IV. OTDELENIE S. PETERSBURG 29 JUL 1859, very neat strikes, good condition