Collections and Large Lots. COMPLETE SHEETS SELECTION: 1915-19, 30 items, including 18 perforated with 3 of each of 2k and 50k, Romanov Dynasty 20k on 14k, 1r and 7r with horizontal varnish lines; 12 imperforate with re-engraved 15k and double sheet of1r, minor flaws (mostly marginal separations and incomplete margins) mentioned, F/VF and an interesting group, Est. $500-$600 (Image)

Collections and Large Lots. OCTAGONAL TRAVELING POST OFFICE (TPO) MARKINGS: 1886- 1900, 8 covers or postcards, each one with octagonal ''Postal Section of the Coach No...'' date stamps, Serial No. from 1 to 7 at the bottom of each marking, TPO No. from 3 to 147 (two items have no numbers), occasional flaws, still F/VF and scarce unit. These cancellations were used for correspondences delivered not in usual mail cars, but in special sections of fast or express coaches, Est. $200-$250 (Image)

Collections and Large Lots. MOSCOW UNNUMBERED TPO POSTAL HISTORY ITEMS ON EXHIBITION PAGES: 1914-16, one cover representing TPO marking ''Golitsino - Moscow'', which is unrecorded until now and very rare, three postcards representing TPO markings ''Moscow - Ramenskoye'', ''Ramenskoye - Moscow'' of 1914-15 and ''Sergievo - Moscow'' of 1916, fresh, mostly VF and rarely offered TPO items, Est. $500- $600 (Image)