Blockade Squadron Cover, 1863, Union cover with straightline "U.S. Ship"cancel tying 3¢ rose,to Philadelphia, with Philadelphia Jun 20 1863 cds, "Off Charleston / June 14th 1863" endorsement; with letter datelined "U.S.S. Sodona"; interesting content including news of the capture of the British Brig Minnie; cover with tears at upper left and missing backflap, Fine and scarce. Estimate  $200 - 300. $0 (Image)