Los 374
1857, 10 kopeks light brown/blue, plate 2, good to large margins, in mixed franking with 1858, perforated issue 10 kopeks brown/blue, tied by clear strikes of dotted numeral "37" of Reval on cover to Riga; adjacent endorsment "Reval 22 December 1859" and same date despatch mark on reverse, also boxed datestamp "Polucheno 25 December" applied in transit; a very fine and unique mixed franking and one of the great rarities of Russia and Estonia. This cover is #8 of the Mikulski listing of mixed frankings of no. 1 and one of only two combination covers with no.1 from Estonia. Provenance: Zbigniew Mikulski (2006)
