1874 1c olive green, gray green, 50c lilac, two distinct shades, blocks of four, mostly n.h., usual centering (Cat No. 1,1f,10) (Image)

Est.US$250

1874 1c olive green, corners modified (issued with overprint and not to be confused with the regular Italian stamps), "Estero" omitted, unused without gum, fine and extremely rare stamp, only a few known, with 1988 Diena and 2001 Bolaffi certificate ("one of the rarest stamps of the Classic Period Italy") (Sass.1e, Euro 125,000) cat. $75000 (Cat No. 1e) (Image)

Cat. $75000, Est.US$10,000

1874 1c olive green, "Estero" shifted down and to the right, n.h., fine, unusual item, signed Colla, with Dr.Avi certificate (Sass.1h, Euro 4,500) (Cat No. 1var) (Image)

Est.US$500

1874 2c orange brown, corners modified (issued with overprint and not to be confused with the regular Italian stamps), "Estero" omitted, n.h., well centered, fine and extremely rare stamp, pencil signed, with 2004 Colla certificate (Sass. 2b, Euro 250,000) (Scott $75,000 for unused, never hinged not priced) (Cat No. 2a) (Image)

Est.US$20,000

1874 2c orange brown, corners modified (issued with overprint and not to be confused with the regular Italian stamps), "Estero" omitted, canceled "Napoli 7 Giu 189?", well centered, fine and extremely rare stamp, only four (!) recorded, with 1989 Diena and Sorani certificates (Sass. 2b, Euro 125,000) (Scott $75,000 for unused, unpriced used) (Cat No. 2a) (Image)

Est.US$18,000

1874 10c buff, lower corners not altered, unused with gum, irregular perfs, still fine and extremely rare, one of only three (!) unused examples recorded, with 2014 Colla certificate (Sass.4c, unpriced unused) (Cat No. 4c) (Image)

Est.US$6,000

1874 30c brown, none of the corners modified, imperforate plate proof with gum, vertical pair, bottom stamp with only partial impression, n.h., v.f., pencil signed, Ferrario guarantee (Cat No. 8aP) (Image)

Est.US$1,000

1874 2L vermilion, variety lower left corner not completely modified, used, small tear at bottom with 2013 Colla certificate, listed but unpriced (Sass.9b) (Cat No. 11var) (Image)

Est.US$1,500

1881 5c green, upper left sheet corner margin Plate No.1, imprint block of four, n.h., fine, with 2002 Bottacchi certificate ("this is the only known Block of four of the 5c Umberto with Plate Number"), unique (Sass.12, Euro 7,500) (Cat No. 12) (Image)

Est.US$1,500