cover Covers, 19th Century, 61 covers, folded letters or folded covers, incl. no. 14 large margins all around tied by San Francisco c.d.s. on cover to Philadelphia; no. 36 pair tied on printed address cover to Ireland; no. 68 on cover to Canada; no. 69 two singles tied on cover to England; no. 70 tied by black grids with matching Washington, D.C. double circle d.s. on 1864 cover to England; no. 77 tied by black grid and Philadelphia transit marking on cover to Paris, some faults though many appear fine-very fineest.