Lot 40292 – 1858 10k brown and blue on cover from Libau to Riga

1858 10k brown and blue, a very fresh example with wide balanced margins all around, tied to cover from Libau to Riga by dotted square « 239 » hs, with matching « LIBAVA/5 Avgust/1858 » three-line ds at left, arrival « Polucheno » hs on back dated 8 August; one of the finest examples of only six covers recorded with this usage (based on the Guido Craveri’s handbook of Russia no. 1); cert. J.-F. Brun (2015).