Lot no. 1969B

1857, 10 k. light brown/blue in mixed franking with 1858, 10 k. brown/blue, tied by numeral "37" of Reval to cover to Riga with adjacent endorsment "Reval 22 December 1859" and same date dispatch mark on reverse, also boxed datestamp "Polucheno 25 December" applied in transit, full intact wax seal; a very fine and unique mixed franking and one of the great rarities of Russia and Estonia. This cover is no. 8 of the Mikulski listing out of only two covers used in Estonia. Provenance: Z. Mikulski (2006)