1918-40 duplicated mint and used highly specialised collection arranged in nine Sectional Imperial albums, contained in two cartons and two large volumes, including Issues for Bosnia and Herzegovina: 1918 to 10k on 2k proofs, varieties with inverted and misplaced and multiples, (Dec) Bosnian War Invalids' Fund mint 5h (+2h) green (3, two overprint Type 5), 15 (+2h) red-brown (2, both Type 5) and Newspaper Express all perfs and types, 1919 (Mar) to 10k violet on grey with 50h Prussian blue (8, two used), Postage due overprints with blocks, varieties and proofs/essays (3), etc. Issues for Croatia: 1918 local 'SHS' handstamped issues on Hungarian stamps with a range of types and many covers, and supposedly guaranteed by Houtzamer, 1918(Nov-Dec) overprints on issues with a good range of varieties, etc, 'Freedom of Croatia' issue specialised study with essays, proofs, colour trials and some on cover. Issues for Slovenia: Newspaper 1919 Cherub and Newspapers and Postage due 1919 and 1920 (surcharges) issues with Ljubljana and Vienna printings with varieties, paper types and blocks, etc. General Issues for whole Kingdom: 1921(16 Jan) to 10d with proofs, essays, varieties and covers, Postage dues 1921 (9 Apr) proofs and essays in various colours (fifteen singles and three pairs), (22 Nov), rough perf 11½, to 50d (3, two used), proofs and essays (sixteen singles and two pairs), 1d brown bisected horizontally on receipt of posting card, varieties mint 30p imperf between stamp and margin, 50p pair imperf between, 2d strip of three imperf vertically between stamps, 10d maroon with 10p error of colour (pair and central in block of nine) , 1923 Crowning Jubilee unissued set of seven essays (three small design and four larger type)1924 King Alexander to 30d with set of colour trials in issued colours for the 20h value, 1926-7 to 30d (4) with colour trials and essays, 1928 Charity to 30d (2), Postage due 1923-31, perf 10½, to 50d (2), varieties with 10p vertical pair imperf between vertical pair, 1d and 2d block of four imperf horizontally, 2d block of four imperf horizontally between stamps, 1933 overprints with double and inverted types. Kingdom of Yugoslavia: 1929 Millenary of Croatian Kingdom set of three die proofs, 1931-3 with engraver's name to 30d (2) and without engraver's name to 30d, 1933 overprints to 30d; also a selection of further volumes with duplicates and various studies including the Chain breaker issue on loose pages. The overall condition is mostly fine to superb. A wonderful lot of exhibition quality. (thousands) (Image)