1857-58 10k Brown & Blue perf.14 3/4 tied to folded cover and another example tied to fragment by different boxed Nikolai line cancel of 1858: St.Petersburg & cover with Moskva cancel, very fine and scarce cancel (Image)

DOTTED BOX CANCELS: 10k brown & blue group of 7 with dotted box numerals incl. 597 of Nukha, 394 of Pernau, 379 of Porkhov, 393 of Derpt, 442 of Yukhnov, 434 of Gzahtsk and 254 of Slutsk, three with a bent/faulty corner perf., rest fine to very fine (Image)

DOTTED CIRCLE CANCELS: 10k brown & blue group of 6 with dotted circle numerals incl. 1 of St. Petersburg, 7 of Vladimir, 9 of Voronetz, 14 of Zhitomir, 27 of Nizhni Novgorod and 37 of Revel, one with bent corner perf., rest fine to very fine (Image)

1858 (Jan 13) Entire to Taganrog with 10k brown & blue tied by pen cross, datelined from Kerch Enikol, very fine (Image)

1858 (Feb 2) Wrapper to Helsingfors with vertical pair of 1858 10k brown & blue tied by pen crosses, with boxed St. Petersburg despatch ds below, reverse with “ANK” arrival ds, very fine and scarce Note: Pen cancellations were only permitted in 1858 for January to the beginning of February (Image)

1858 (Feb 21) Entire from Riga to Jacobstad (Finland) with 1858 10k brown & blue tied by pen cross, reverse with despatch cds, very fine, plus three singles with Riga cds (missing last year digit) (Image)

1858 (Mar 3) Envelope to Moscow franked on the reverse (contrary to regulations) with 1858 10k brown & blue top marginal tied by “1” dotted circle 2nd experimental cancel of St. Petersburg, with despatch ds on obverse, portion with stamp re-attached, minor soiling, unusual (Image)

1858 (Apr) Wrapper from Arkangelsk to St. Petersburg with 10k brown & blue tied by “3” dotted circle, reverse with 2-line despatch ds, fine (Image)

1858 (Apr 29) 10k Postal stationery envelope to Tiflis uprated with 1858 10k brown & blue tied by bilingual Dorpat cds, with oval “v Tiflis Polucheno” arrival ds, stationery die with pen cross, with reinforced tears affecting the die, some soiling, still a very rare usage paying the double rate (Image)

1858 (May 15) Wrapper with 1858 10k brown & blue vertical pair tied by Riga (Latvia) cds, sent to Libau, fine and attractive cover, ex Mikulski (Image)

1858 (May 15) Wrapper to Tauroggen with 10k brown & blue tied by Riga boxed 2-line ds, with faint arrival ds adjacent, fine (Image)

1858 (May 23) Envelope from Novorzev to St. Petersburg with 1858 10k brown & blue tied by 2-line ds, arrival bs, some soiling, fine (Image)

1858 (Jun 5) Entire to Taganrog with 1858 10k brown & blue cancelled by pen cross and tied by Kerch Enikol 2-line ds, fine (Image)

1858 (Jun 18) Entire to Grodno with 10k brown & blue tied by boxed Vilno 2-line ds, minor soiling, fine (Image)

1858 (Aug) Entire from Kharkov to Voronezh with 10k brown & blue tied by “51” dotted circle, reverse with despatch ds, some cover toning otherwise fine (Image)

1858 (Aug 25) Wrapper to Odessa with 1857-58 10k tied by circular dotted “1” 2nd experimental canceller of St. Petersburg, with red boxed despatch ds adjacent, very fine (Image)

1858 (Sep 5) Entire to Riga with 1857-58 10k tied by circular dotted “1” 2nd experimental canceller of St. Petersburg, with red boxed despatch ds adjacent and arrival bs, very fine (Image)

1858 (Aug 28) Entire from Cannopah to Nuggen with uncancelled 10k brown & blue, thin paper, delivered on the Forpat-Valk route at the coach stop in Uddern, very fine and scarce Note: Letters to or from places without operating postal offices were delivered by coach and in those cases not cancelled since no postal markings were available (Image)

1858 (Sep) Wrapper to Odessa with 1858 10k brown & blue tied by “55” dotted circle of Kherson, very fine (Image)

1858 (Sep 5) Wrapper from St. Petersburg to Riga with 10k brown & blue tied by “1” dotted circle, with red despatch ds adjacent and reverse with arrival ds, very fine (Image)

1858 (Oct) Envelope from Arkangelsk to Moscow with 10k brown & blue tied by “3” dotted circle, reverse with arrival ds, some soiling, small portion of backflap missing (Image)

1858 (Oct 3) Entire to Mitawa with uncancelled 10k brown & blue, thick paper, reverse with Padiachewka despatch and Polucheno arrival ds, fine and rare (Image)

Wrapper to Riga with 10k brown & blue pair tied by oval “Wended Otpravleno” ds with ms date, with further 2-line despatch ds on reverse, fine and very rare, the only known double weight cover with this rare Wenden cancel (Image)

1858 (Oct) Wrapper (no sideflaps) to Warsaw franked on the reverse with 10k brown & blue tied by “5” dotted circle of Vilno with despatch and arrival ds adjacent, fine (Image)

1858 (Nov 1) Wrapper to Warsaw with 10k brown & blue tied by blue “19” dotted circular numeral of Kovno, with despatch and arrival bs, very fine, plus two singles with the same blue cancel (Image)