large margins, used alongside US 1861 3c Rose (65), both tied by "Delaware City Del. Oct 12" duplex, indistinct Richmond postmark also ties, "Prisoner's Letter Examined, Fort Delaware Del." (Type I) oval handstamp at left, addressed to Max Meadows, Virginia, manuscript "Per Flag Truce, via Fortress Monroe" notation at top left, extremely fine, a fresh and beautiful mixed-franking flag-of-truce cover