1888 Destination BOSNIA: Postal stationery envelope 10 øre used registered from Göteborg to BANJALUKA in BOSNIA, uprated by Ringtype 13 30 øre brown, cancelled "GÖTEBORG FILIAL/10/9/1888" cds, boxed Swedish registered h/s alongside, boxed Banjaluka arrival datestamp on the reverse, fine. A RARE DESTINATION as Facit recorded only one cover to Bosnia in the UPU-1891 period. (Image)