1879-94 Lithographed 1kr black complete proof sheet on ungummed thick paper, with red ink cancel and manuscript marking “Lithografie”, some usual faults, unique (Image)

1879-94 Lithographed 2kr yellow complete proof sheet on ungummed thick paper, with red ink cancel and manuscript marking “Lithografie”, some usual faults & two stamps removed, unique (Image)

1879-94 Typographed 5kr rose complete proof sheet on ungummed thick paper, with red ink cancel, very fine, unique (Image)

1879-94 Lithographed 10kr blue complete proof sheet on ungummed thick paper, with red ink cancel and manuscript marking “Lithografie”, some usual faults, unique (Image)

1879-94 Typographed 10kr blue, complete proof sheet on ungummed thick paper, with red ink cancel, very fine, unique (Image)

1879-94 Lithographed 15kr red complete proof sheet on ungummed thick paper, with red ink cancel and manuscript marking “Lithografie”, some usual faults, unique (Image)

1879-94 Lithographed 25kr violet complete proof sheet on ungummed thick paper, with red ink cancel and manuscript marking “Lithografie”, some usual faults, unique (Image)

1879-94 Typographed 20kr olive complete proof sheet on ungummed thick paper, with red ink cancel, very fine, unique (Image)

1906 Landscapes in complete set in IMPERFORATE ungummed sheets of 100 for lower values and 50 for the Kronen values, on ungummed paper, very fine, unique sheet set (Image)

1910 Birthday KFJ complete set 1h to 5kr in IMPERFORATE bottom right corner blocks of 10, all never hinged, pristine and unique set (Image)

1912 Additional definitive values 12h, 60h and 72h in IMPERFORATE bottom sheet margin blocks of 10 on ungummed paper, 60h block is never hinged, rare blocks (Image)

1912 KFJ definitives complete set 1h to 10kr in IMPERFORATE complete sheets, all ungummed (smaller denominations up to 40h in sheets of 100, up to 5kr in sheets of 50 and 10kr in sheet of 25), pristine and unique lot (Image)

1913 Newspaper adhesives complete set of 5 including 2h in both colours, each in complete sheet of hundred on ungummed paper, filing fold in middle vertical and horizontal, very fine, unique sheet set (Image)

1917 Widows & Orphan Week 15h carmine in complete IMPERFORATE never hinged sheet of 100, vertical and horizontal filing creases in middle, otherwise very fine to pristine, unique sheet (Image)

1917 Murder in Sarajevo Anniversary complete set 10h, 15h & 40h in complete IMPERFORATE never hinged sheets of 100, vertical and horizontal filing creases in middle, otherwise mostly very fine to pristine, unique sheet set (Image)

1918 Kaiser Karl Fürsorge Fond 10h to 40h in IMPERFORATE corner blocks of 20, all never hinged, some with fingerprints on gum otherwise very fine, rare blocks (Image)

1916 Special Delivery Stamps set of 2 in IMPERFORATE ungummed bottom right blocks of 10 from the Imprimatur sheet, rare (Mi & ANK nos.117-118) (Image)

1916 1kr and 3kr in blue in se-tenant sheet of 100 IMPERFORATE adhesives showing 10 se-tenant pairs 1kr and 3kr in row 5 & 6, strong horizontal crease in middle with some separation at right but not yet broken through totally, unknown in literature and unique sheet (Image)

1886 Issue 4n, 5n, 7n, 10n, 12n, 20n, 40n, 90n, 1f and 12f, each in IMPERFORATE sheet proof blocks of 25 in original colours from the left half of the sheet on thicker ungummed paper, pristine quality and according to our knowledge never offered before in quantities larger then single adhesives, unique specialist group (Image)

1886 Issue 1n, 2n, 10n, 20n, 30n and 40n in IMPERFORATE sheet proof blocks of 25 in original colours from the left half of the sheet on thinner ungummed paper, pristine quality and according to our knowledge never offered before in quantities larger then single adhesives, unique specialist group (Image)

1886 Issue 6f (4), 8f (4), 9f (4), 10f (4) and 12f (4) in green in IMPERFORATE SE-TENANT sheet proof block of 20 (original colours) from the top of the sheet on thinner ungummed paper, pristine quality and according to our knowledge never offered before, unique specialist item (Image)

1886 Issue 2n (4), 5n (4), 7n (4), 15n (4) and 25n (4) in brown in IMPERFORATE SE-TENANT sheet proof block of 20 (original colours) from the top of the sheet on thinner ungummed paper, pristine quality and according to our knowledge never offered before, unique specialist item (Image)

1886 Issue 3f (10) + 4f (10) in green in IMPERFORATE SE-TENANT sheet proof block of 20 in original colours from the top of the sheet on thicker ungummed paper, pristine quality and according to our knowledge never offered before, unique specialist item (Image)

1886 Issue 80n (10) and 90n (10) in carmine-red in IMPERFORATE SE-TENANT sheet proof block of 20 (original colours) from the top of the sheet on thicker ungummed paper, pristine quality and according to our knowledge never offered before, unique specialist item (Image)

1886 Issue 50n (10) and 60n (10) in blue in IMPERFORATE SE-TENANT sheet proof block of 20 (original colours) from the top of the sheet on thinner ungummed paper, pristine quality and according to our knowledge never offered before, unique specialist item (Image)