1914, 4 k. red (7) and 7 k. pale blue tied by cds. ST.PETERSBOURG 21.5.14 to registered cover with bilingual machine-registered cancel S.Petersbourg 174 MÄR.21 to Dresden, Germany with arrival mark, cover folded and crease, rare cancel (Katalog-Nr.: 66 A (7), 68 A)