CSA 7-R, 5¢ blue, White Tie Variety with ample to large margins, tied by faint blue circular datestamp, likely of Petersburg Va., on Franklin Davis fruit and ornamental tree grower's all-over lithographed illustrated ad cover to Franklin Davis, Staunton, Augusta County, Va., possibly used as a return envelope, Extremely Fine. SHOWY ILLUSTRATED AD COVER WITH SCARCE WHITE TIE VARIETY, Ex Dr. Howard Green, John Walker and David Burton. A Showpiece. $1,000.