Steamboat, red straightline handstamp with matching "Charleston S.C. '10' Apr 22" integral rate cds tying 10¢ black (2 var.), double transfer of left and bottom framelines, position 41R, large margins to clear at left, couple small corner creases, on blue folded letter from the Durand correspondence datelined "New York Apr 22. 1849" to Savannah Geo., the dateline was most likely off a day, F.-V.F.; plated by Cal Hahn. Estimate  $2,000 - 3,000. ONE OF ONLY FOUR RECORDED CHARLESTON "STEAMBOAT" USES BEARING THE 1847 ISSUE. This folded letter from New York City was placed aboard the non-contract steamer Southern leaving New York April 21st. The letter arrived in Charleston S.C. on April 24th, entering the mails the following day to Savannah. Unrecorded Charleston 1847 Issue Steamboat covers are:1. Mar. 28, 1849, Charleston S.C. to New Orleans La. bearing 10¢ black (2), ex-Craveri, Hackmey.2. Apr. 4, 1849, Charleston S.C. to New Orleans La. bearing 10¢ black (2), ex-Craveri.2. Apr. 11, 1849, Charleston S.C. to New Orleans La. bearing 10¢ black (2), ex-Kapiloff, currently in Eubanks exhibit.4. Apr. 25, 1849, Charleston S.C. to Savannah Ga. bearing 10¢ black (2), the cover offered here. $0 (Image)