GRATIOT STREET PRISON, ST. LOUIS, MO: US 65, 3¢ rose tied by a target and an Oct 8 (1864) St. Louis on cover from a Confederate POW at St. Louis, Mo. to James Miner, Esq, Greensboro, Guilford County, N. Carolina "Via Old Point Comfort," entering the Confederate mails with a very weak partial Richmond CDS. on Nov 1; manuscript "Due 10" for CSA postage. ONE OF ONLY 12 COVERS TO OR FROM GRATIOT STREET PRISON, AND ONE OF JUST THREE TO CROSS THE LINES. $1,100.