United States, 1851-57, 3¢ Study Collection, Types I & II, group of singles and covers on stock pages and quad pages in a binder, includes #10 single and two #10 covers, one to Philadelphia noted "last date Phila used small 7bar grid in blue", also nine various #11 covers with nice cancels, also better group of 29 various 1857 covers and a 1857, 3¢ Type IIa single study, careful inspection recommended. Estimate  $600 - 800. $0