Danish West Indies, 1874, 3¢ blue & carmine, tied by "St. Thomas, 23/4, 1883" cds on Austria 1876, 2kr brown, postal card to St. Thomas and returned back to sender, card uprated with Austria 1876, 2kr yellow, strip of three tied by "Graz, 22/3, 83" cds's, with additional "Graz, 16/5, 83" receiving cds's, Very Fine, a colorful and rare combination. Scott No. 6  Estimate $1,500 - 2,000. $0 (Image)