Confederacy, "Unrecognized Stamp, Due 10", manuscript rating on cover with original letter from soldier datelined "Adams Run, October 29, 1863" to Hamburg S.C., likely a previously used 10¢ stamp by Hoyer & Ludwig was affixed to reverse of cover and cutout (small sliver remains) when unaccepted, at Charleston where area military mail was processed, large "10" due rating handstamp (CSA type K) struck; staining and reduced slightly, Fine. Estimate  $150 - 200. $0 (Image)