151, 1870 12c Dull violet, stunning block of four with bold color and remarkable centering, o.g., Very Fine and choice and certainly one of the finest multiples extant as well centered blocks have been broken to meet the demand for singles; 2018 PSAG certificate (Scott $14,000) (Image)

CV. 6,000

152, 1870 15c Bright orange, strong color, part o.g., reperf at right, Very Fine appearance; 2002 Philatelic Foundation certificate (Scott $3,500) (Image)

CV. 400

152, 1870 15c Bright orange, deep rich color, o.g., h.r., a Fine sound single; 2007 PSE certificate (Scott $3,500) (Image)

CV. 300

152, 1870 15c Bright orange, rich color, unused, reperforated at right (not mentioned in cert), Very Fine appearance; 1969 Philatelic Foundation certificate (Scott $1,300) (Image)

CV. 300

152, 1870 15c Bright orange, regummed, fresh and Fine (Scott $1,300) (Image)

CV. 130

153, 1870 24c Purple, intense color, unused, reperf at top, Very Fine appearance; 2018 PSE certificate (Scott $650) (Image)

CV. 300

153, 1870 24c Purple, bold color and a crisp impression, unused, Fine and attractive sound example; 2008 Philatelic Foundation certificate (Scott $650) (Image)

CV. 200

155, 1872 90c Carmine, a visually striking block of four with radiant color, o.g., small h.r. at top, bottom pair l.h., F-VF and certainly one of the nicest of the few blocks extant; 1991 Philatelic Foundation certificate (Scott $25,000)rnProvenance: "Rarities of the World" (R.A. Siegel, Sale 660, April 1986) (Image)

CV. 9,000