Los-Nr. 715

1866, 3k. with burelage of 5k. with additional franking tied by oval "S.P.B" with adjacent cds. "S. PETERSBURG 5 FEB 1870" to double weight cover to Paris, earliest recorded usage of this error, see also Rossica 86-87 page 43, small opening faults and some againg, otherwise a fne and attractive cover