1901 South Carolina Interstate and West Indian Exposition (Charleston, S.C.). Three different Expo. advertising covers, two in blue green & one in light brown, one shows the South Eastern Coastline & the other two show different views of Charleston Bay, one franked with 1¢ Bureau Issue tied by Expo. Slogan Flag cancel without dial (unlisted in Bomar), other two franked with 2¢ Bureau Issue, Very Fine and attractive. Estimate  $300 - 400. $0 (Image)