1898, 1¢ Trans-Miss. S.e. at left, in combination with 5¢ Trans-Miss. on cover to Springfield, Mass., tied by two strikes of "Arlington & So. Balto. R.P.O., Dec 26, 1900/Car 3" streetcar duplex postmark; cover reduced at left, F.-V.F. Scott No. 285+288  Estimate $100 - 150. $0 (Image)

1898, 1¢ Trans-Miss. Cork canceled on U.S. Postal Card Co. envelope for the Official Trans-Mississippi and International Exposition Postal Cards, to Danville, Ill., Very Fine. Scott No. 285  Estimate $100 - 150. $0 (Image)

1898, 1¢ Trans-Miss. In combination with 4¢ Trans-Miss. on souvenir view post card to San Paulo, Brazil, tied by "New York, N.Y., Jan 15, 99" machine postmark, various transit postmarks; 4¢ with small margin flaws at right, otherwise Very Fine, a scarce pioneer post card usage. Scott No. 285+287  Estimate $100 - 150. $0 (Image)

1898, 1¢ Trans-Miss., block of 3, pair and 5 singles. On Swiss Legation corner card legal size cover to Bern, Switzerland, all tied by "Wash'n. D.C. Collecti'n & Dist'n Wagon No.1, Trip 4, Jan 19, '99" duplex postmarks; cover file fold and small tear at right affecting one stamp, otherwise Very Fine. Scott No. 285  Estimate $150 - 200. $0 (Image)

1898, 1¢ Trans-Miss., First Day Cover. Natural s.e. at right, rich color, tied by "Omaha, Neb., Jun 17 '98" machine postmark on official Trans-Mississippi and International Exposition cachet cover from the Department of Publicity and Promotion, addressed to Chicago, Ill, Very Fine, a wonderful first day cover on a official exposition cachet cover, only five 1¢ Trans-Mississippi first day covers are recorded. Scott No. 285  Estimate $10,000 - 15,000. $0 (Image)