Taylors Express/Shasta, April 10. (1851) manuscript marking on brown cover to Monroe, Wis. with red "Sacramento City, Cal." cds and matching "40" rate marking, some edge wear & sensibly refolded at top, otherwise Very Fine& rare, Taylor picked up mail from Shasta to Sacramento and put in the PO there for onward transmission, only operated for about a year with all known marking being manuscript, only 3 or 4 known. Estimate  $1,000 - 1,500. $0 (Image)