Auction 321 - 332 Europe & Overseas Asia / Africa, Europe A –Z, Collections & Accumulations - Day 4

1857: 10 kop. brown & blue, imperforate, a single example with ample to large margins all round and a vertical pair, also with clear to large margins and showing immaterial fold in margin between the stamps, used on attractive 1858 cover to Wolmar (Valmiera, Latvia), the adhesives of rich fresh depth of colour, each stamp cancelled in manuscript, the single with "1", the pair each with "X" in ink; reverse with framed "RIGA" despatch datestamp (Feb 13) and framed "WOLMAR" arrival (Feb 14), each clearly struck in black. Unrecorded in the Craveri "Census of the 10 Kopeck Imperforate Stamp of Russia"; with just 6 covers bearing three 10 kop. recorded in the handbook. An important rarity of Imperial Russia. Cert. P. Buchsbayev (2024).