2, 1854 10c Carmine, extraordinary bottom left corner margin block of four with ample margins the other sides, pos 31-32/ 36-37, intense color, o.g., h.r., Very Fine and choice, the only known mint corner block; 1980 Exfima and 1991 Graus certificates; ex-Boker, Jacob, Peterson (Image 2) (Image)

CV. Starting Price 9,000

2, 1854 10c Carmine, lovely block of four with light centrally struck cancel, clear to ample margins, a vertical scissor cut between stamps from the bottom margin extending to about halfway into the top pair sensibly hinge reinforced, still Very Fine and quite rare; 2014 Comex certificate; ex-Peterson (Image 2) (Image)

CV. Starting Price 3,000

4, 1854 1r Dark blue, eye-catching horizontal block of ten with multiple black "circle of points" cancels, fresh color, clear to wide margins all around, 4th stamp with a hinge-sealed edge break, right stamps small thins, a Very Fine appearing and rare block; 2014 Comex certificate; ex-Jacob, Peterson (Image 2) (Image)

CV. Starting Price 4,000

4a, 1854 1r Slate grey, right margin block of four with bold strikes of parrilla cancels, pos 29-30/ 34-35, ample to wide margins, Very Fine and rare block, especially so in sound condition; 1987 Graus certificate; ex-Peterson (Image 2) (Image)

CV. Starting Price 1,200

4a, 1854 1r Slate grey, block of four, pos 29-30/ 34-35, ample to large margins, good color, unused, couple small faults incl small hinge-sealed edge break in top left stamp, Very Fine appearance, a rare bloc; 1977 Exfima and 1991 Graus certificates; ex-Boker, Peterson (Image 2) (Image)

CV. Starting Price 1,800

4c, 1854 1r Slate blue, "CORROS" Error, bottom stamp in left margin vertical pair (pos 21-26) with normal, neat "circle of dots" cancels, well margined the other three sides, Very Fine and choice, the only known used vertical error pair; ex-Peterson (Image 2) (Image)

CV. Starting Price 4,000

4d, 1854 1r Slate blue, "CORROS" error, pos 26, ample to large margins and good color, a centrally struck Manila 1 Jul 1860 cancel, choice Very Fine; the only known example with a dated cancel; ex-Boker, Peterson (Image 2) (Image)

CV. Starting Price 3,000

4d, 1854 1r Slate blue, "CORROS" error, pos 26, clear to large margins, light parrilla cancel, small faults, Very Fine appearance, a rare error (Image 2) (Image)

CV. Starting Price 1,800

5, 1864 2r Slate green, block of four with black Manila baeza cancels, fresh color, clear to wide margins three sides, just in at top, small faults incl some sealed breaks, an otherwise Very Fine and rare multiple; ex-Peterson (Image 2) (Image)

CV. Starting Price 12,000

6, 1855 5c Pale red, exceptional bottom left corner margin block of four showing all four plate positions, fresh color, unused, ample to full margins the other sides except just clipping the frame line top left, unused, Very Fine showpiece and one of only two mint blocks, this being the only known corner margin block; The bottom left corner of the 3rd stamp in black rather than vermilion - the ink on the transfer die of the four-subject stamps did not cover the lower left corner of the plate of 48 stamps due to lack of contact of the transfer die to the paper, leaving the corner basically an albino impression. Apparently this anomaly was not noticed until after the plate was removed from the press and after the vermilion ink was discarded. The impressed corner was re-inked by hand using available black ink resulting in an irregular appearance to the design; 1991 Graus certificate; ex-Ferrari, Burrus, Lange, Jacob, Boker, Peterson (Image 2) (Image)

CV. Starting Price 15,000

7, 1855 5r Vermilion, good color, ample to full margins, unused, small thin spot, Very Fine appearance, rare with less than ten mint examples known; signed Bloch; ex-Peterson (Image 2) (Image)

CV. Starting Price 3,000

9, 1856 2r Carmine on blue, striking block of eight with nice central strike of black ALCALDIA MAYOR BULACAN official cancel, ample to full margins all around, some truly insignificant light toning spots, choice Very Fine showpiece, one of the largest used blocks extant; 1987 Graus certificate (Image 2) (Image)

CV. Starting Price 1,500

11, 1859 10c Lilac rose, stellar left margin block of four with crisp centrally struck Manila 7 Ago 1861 cancel, clear to large margins the other sides, some minor faults, still Very Fine, less than five used blocks known; ex-Peterson (Image 2) (Image)

CV. Starting Price 4,500

25 var, 1874 1r Slate blue, "HABILITADO POR LA NACION" Overprint, Inverted overprint, good color, clear to large margins, Very Fine; the only known used example with inverted overprint; ex-Peterson (Image 2) (Image)

CV. Starting Price 900

25, 1874 1r Slate blue, "HABILITADO POR LA NACION" Overprint, fresh color, ample to large margins, unused, small faults incl bottom right corner reattached, Very Fine appearance; only 13 mint examples known; 1991 Graus certificate; ex-Jacob, Peterson (Image 2) (Image)

CV. Starting Price 1,800

25A, 1874 2r Green, "HABILITADO POR LA NACION" Overprint, strong color, clear to ample margins three sides, just in at top, unused, Fine and rare with only six mint examples known; ex-Peterson (Image 2) (Image)

CV. Starting Price 2,800

26, 1873 1r Green on blue, "HABILITADO POR LA NACION" Overprint, remarkable block of 28 (7x4) with vertical overprint reading up and multiple light strikes of parrilla lozenge cancel, rich color, clear to full margins all around, a few trivial faults, as expected on a block this size, not detracting from appearance, Very Fine and choice; the largest known used block of this issue; 1991 Graus certificate; ex-Peterson (Image 2) (Image)

CV. Starting Price 1,500

27A, 1874 5r Vermilion, "HABILITADO POR LA NACION" Overprint, rich color, ample to full margins, part o.g., h.r., small thin spot, Very Fine appearance; only 5 mint stamps known; ex-Peterson (Image)

CV. Starting Price 3,000

27A, 1874 5r Vermilion, "HABILITADO POR LA NACION" Overprint, rich color, full margins except a bit irregular and just cutting top left corner, pinhole, otherwise nearly Very Fine; the unique used example; ex-Peterson (Image)

CV. Starting Price 7,500

36, 1868 6 2/8c Green on rose, "HABILITADO POR LA NACION" Overprint, appealing block of sixteen with overprint reading up, strong color, full to large margins all around, original gum, NH, some light creases and gum wrinkling, still a Very Fine showpiece multiple and the largest known NH multiple of this issue; ex-Peterson (Image 2) (Image)

CV. Starting Price 1,500

C2a, 1926 4c Madrid-Manila Flight Overprint, Inverted overprint, wonderfully fresh and color and o.g. with no toning or tropicalization, l.h., Fine and rare with only 100 issued; "W.B./Manila" handstamp on gum, 2014 APS certificate (Scott $4,000) (Image 2) (Image)

CV. Starting Price 1,500