CSA 13d, 20¢ green diagonal bisect tied CHARLESTON / S.C. // OCT / 24 cds and grid on cover front only to John L. Faber, Winnsboro, South Carolina; other side bearing  CSA 11-AD, 10¢ blue tied blue COLUMBIA / S.C. // OCT / 15 cds and addressed to Henry Horlbeck, Charleston, S.C. 1980 PF Certificate #82728, Ex Cantey. SAID TO BE THE ONLY RECORDED BISECT ON A TURNED COVER, to which I cannot attest, but in any case is very rare and desirable. $2,900.