3LB2, Boston, MA, 1851 1c Blue, margins large to clear, tied by red cancel to 1850 embossed cover with 1847 5c Brown (1) tied by black grid, red "Boston 5 3 Oct" datestamp, addressed to Newington, Connecticut, original contents included, carrier stamp with small pre-application tear, Very Fine, one of only four recorded covers...

15L13, 1850 Blood's Despatch (Philadelphia, PA), 1c Bronze on Black glazed, affixed to upper left of cover with 1847 10c Black (2, scissor cut at bottom) tied by blue grid, matching light Philadelphia datestamp alongside, April 23, 1850 docketing, addressed to Delafield, Wisconsin, cover with staining along top edge (ties the...

20L17, Boyd's City Express, New York NY, 1c Black on lilac, single with clear to full margins tied by partly struck "Paid" in oval cancel, adjacent 1861 3c Rose (65) tied by New York duplex with target, on yellow envelope addressed to Claremont, New Hampshire, Very Fine use (Scott $500)"Erivan" Collection Part VI

74L1, 1879 Guy's City Despatch (Philadelphia, PA), (1c) Pink, tied by clear strike of purple "Guy's City Dispatch 1123 Chestnut St." double-line oval handstamp to cover front to local street address, light edgewear, still Very Fine stamp and cancel (Scott $800 for cover)"Erivan" Collection Part VI

87L1, Hussey's Post, New York, NY, 1856 (1c) Blue, large margins all around, tied by crisp "Free" straightline handstamp to locally-addressed June 23, 1856 printed circular, "Notice & Circular Distributing Office, 82 Broadway, Up Stairs" in oval, Extremely Fine, an immaculate example of the first Hussey's issue stamp on...

106L1, 1849 Messenkope's Union Square Post Office (New York, NY), (1c) Black on Green, two singles (one with pre-application crease) at top left and right of small locally-addressed envelope, each stamp tied by red "Paid" in arc, Extremely Fine, only a small handful of covers are known with two Messenkope's stamps paying the 2c...

120L1, 1854 Price’s Eighth Avenue Post Office (New York, NY), (2c) Red on bluish, margins full to grazing, affixed at upper left of cover with 1851 3c Dull red (11, left sheet margin) tied by New York datestamp, addressed to Bangor, Maine, Very Fine, only about seven examples of the Price's stamp are known to exist with this...

C2, 1918 16c Green, very well centered block of four, NH, fresh and Very Fine (Scott $480 as singles)Sale 3052: United States Stamps Featuring the Donald D. Nelson Collection

C2-3, C5-6, 1918/23 16c, 24c Airmails, PO fresh and nicely centered, NH, Very Fine (Scott $500) Sale 3052: United States Stamps Featuring the Donald D. Nelson Collection

C13-14, 1931 65c, $1.30 Graf Zeppelin, nicely centered, l.h., Very Fine (Scott $555) Sale 3052: United States Stamps Featuring the Donald D. Nelson Collection

C13-15, 1930 65c-$2.60 Graf Zeppelin, NH, 65c some typical natural gum bends, fresh and F-VF (Scott $1,675)Sale 3052: United States Stamps Featuring the Donald D. Nelson Collection

K1, 1919 2c on 1c Green, rich color, socked-on-the-nose Shanghai cancel, four remarkable margins, 2008 and 2010 PSE certificates graded XF-Sup 95 (SMQ $425)Sale 3052: United States Stamps Featuring the Donald D. Nelson Collection