CSA 11a, 10¢ milky blue upper left corner margin single (4 margins) used with manuscript cancel of Oakville Va Sept 17th (1863) on a REUSED ENVELOPE to Miss Mary F. Branch, Midlothian, Chesterfield Co. Va. The CSA 11a was placed over an initial use of what appears to be a pair (likely of CSA 6 or 7) with a Charleston SC circular datestamp. Scarce and obvious reuse. Holding the cover to light, there appears to be a small rectangular piece of paper inside (another pair of stamps?) but the cover flaps are stuck tight and I’m not messing with it – no guarantees that is the case. Ex Richard Hall, David Kohn, and David Burton. $300.