1863 4k blue green & black, background inverted, unused without gum, large margins all around, fresh v.f., signed Kosack, etc., with Mikulski certificate ("without any thin spots and other faults common to these stamps"), ex-Faberge. A beautiful example of this rare stamp (Mi.2aIK) cat. $950 (Cat No. L3c) (Image)

Cat. $950, Est.US$750

1901 2k brown and green, two imperf. panes of 25 each (originally a gutter pane of 50), position 6 inverted, forming the rare tete-beche, unused without gum, fine-v.f., with Mikulski certificate ("genuine in all respects, the stamps are from the first printing: red brown and green, and are from the unfinished production") (Cat No. L12var) (Image)

Est.US$2,500