20k. orange and deep blue and 30k. green and crimson, used together on quintuple rate
1860 (1 Aug.) envelope from Wilejka (Poland) to Dziewietkowiczany via Slonim, both fine
examples cancelled by “36″ dotted numeral, matching very fine c.d.s. on reverse.

The only recorded combination of second issue 20k. and 30k.,
one of the most important  rarities of Russian philately.

Ex Fabergé

Sold by Spink, London on 29 November 2011 for € 250,000
The Agathon Collection of the First and Second Issues of Russia