1850 1s black, essay on white gummed paper, with blue burelage, double eagle, blue frame lines and circles in the corners, tiny thin spot, otherwise v.f. and rare essay, of which only a few can exist, produced by the Engraver Claudius for the printers Kobner and Lemkuhl, with 2006 Moller certificate (Cat No. 1P) (Image)

Est.$2,500

1850 2s rose and pink, right sheet margin block of six, beautiful color and sharp impression, two middle stamps hinged, rest n.h., fresh and v.f., a true condition rarity, with 1983 Buhler cert. (Mi. 2a; catalogue value for two n.h. pairs and one hinged pair, without premium for block of six) cat. €7700 (Cat No. 2) (Image)

Cat. €7700, Est.$5,000