1LB3a, 1850 1c Blue Baltimore Md. carrier stamp, cross gutter tete-beche block of fourteen, positions 5/7/9-10 and 1-10, position 9 of tete-beche with paper-maker's embossed seal; slightly toned o.g., top right vertical pair with a crease, three stamps with punch holes and position 8 with small surface scrapes; the largest recorded block and thought to be unique, one of the most important and spectacular multiples of all carrier stamps and one of the very few tete-beche items known in classic US philately; ex-Frank A. Hollowbush (1966), David Golden (1999), Philip T. Wall (2007), illustrated and described in Denwood Kelly's 1973-74 series articles about Baltimore Carriers and Locals published by the NY Collectors Club; 2000 Philatelic Foundation certificate (Scott $4,000, but in the last 17 years this item has never sold for less than $5,000 and has sold for an average of $5,600 without the buyer's premium) (Image 2) (Image)

CV. Starting Price 5,000

4LB1, 1849 2c Brown on brown rose Charleston SC carrier stamp, uncancelled on fragment of brown cover, stamp with oval frame touched on three sides and in at top, small part of red Charleston SC town marking at right, mans. "Aug 6th, 1849" docketing at top center of fragment; stamp and fragment with small pinhole, Extremely Rare, only five examples thought to exist; ex-George Worthington (1918), Alfred H. Caspary (H. R. Harmer, Inc. 1957), John R. Boker, Jr, David Golden (1999) and Edgar Kuphal (2006); 2012 Philatelic Foundation certificate (Scott $10,000 unused and $4,000 unused or used if cut to shape) (Image 2) (Image)

CV. Starting Price 4,000