5pa on 2 1/2pi violet, mint imperforate single, very fine & scarce, signed Hass (Image)

1879 10pa on 2 1/2pi group incl. right marginal block of four (some toning), broken “1” of “10” variety caused by paper crease, shade varieties, inverted watermarks, inverted overprint, misplaced ovpts and ovpt varieties, forgeries, etc., a useful group (49) (Image)

1879 10pa on 2 1/2pi group of five, with two mint showing guide markings, mint with broken frame below “HED” (NP D31i, $75), mint with double perf. at foot (DP31ii, $75) and used with weak 2 1/2 in right corner (DP 31k, $60) (Image)

1879 10pa on 2 1/2pi perf.12 1/2 mint top left corner marginal block of 10 (pos. 1-5/11-15) showing pos. 1 with “Cleft pyramid” variety, left margin showing double perforations & guide marks can be seen on position 1 & 5 etc., fresh, very fine & a wonderful positional multiple (Image)

1879 10pa on 2 1/2pi used IMPERFORATE with blue cancel, very fine & rare (NP $400) (Image)

1879 10pa on 2 1/2pi perf.12 1/2×13 1/3 mint og left marginal block of 6 with inverted wmk and double vertical perforation between columns, very fine, unlisted by Nile Post, cert. Hass (Image)