Bosnia and Herzegovina. Mostly used. Several 100s stamps housed in one volume, well displayed from the first issues onwards, not written up so it will need much research for the different perfs, the same goes for the earlier 20th century with different sets to the 5k, imperfs and again various different perfs to study. Further issues to 10k, both Josef and Karl, diagonal o/ps of Serbia complete and the last issues again well represented on the overprints of Romania. Finally, there is a little section of well over 100 Serbian stamps inc errors, with most of the strength in the 19th century. Ideal for the specialist looking to make new discoveries.