Agriculture Dept. 1875 Special Printings (O1SD//O9SD). 1¢-30¢ complete, less 6¢, mostly fresh and well centered, some faults, generally F-VF appearance (Photo). $2,487 Scott $2,487 (Image)

Scott $2,487

Agriculture Dept., 1875 Special Printing, 2¢ yellow, overprinted "Sepcimen" (error) (O2SDa). Without gum as issued, typical centering, bright color, light crease, small toned spot, otherwise Fine, only 8-10 known (photo). $3,000 Scott $3,000 (Image)

Scott $3,000

Agriculture Dept., 1875 Special Printing, 6¢ yellow, overprinted "Specimen" (O4SD). Without gum as issued, very well centered, intact perforations, couple slightly nibbed, Very Fine (photo). $400

Expertization: with 2015 P.S.E. certificate graded F-VF 75J, a bit undergraded in our opinion. Scott $400 (Image)

Scott $400

Agriculture Dept., 1873, 15¢ yellow (O7). Original gum small hinge remnant, tiny owner backstamp on reverse, very fresh, Fine. SMQ $225 (photo). $425

Expertization: with 2008 P.S.E. certificate graded F 70. Scott $425 (Image)

Scott $425

Agriculture Dept., 1873, 24¢ yellow (O8). Original gum small hinge remnant, small owners backstamp barely bleeding through, well centered with wide margins, Very Fine to Extremely Fine (photo). $425 Scott $425 (Image)

Scott $425

Executive Dept., 1875 Special Printing, 1¢ carmine, overprinted "Specimen", ribbed paper, with small dotted "i" (O10SDb). Without gum as issued, horizontally ribbed paper from the second printing, three unusually wide margins, F.-V.F (photo). $500

Expertization: with 2003 P.F. certificate. Scott $500 (Image)

Scott $500

Executive Dept., 1873, 3¢ carmine (O12). Part original gum, bright color, Fine (photo). $700 Scott $700 (Image)

Scott $700

Interior Dept., 1875 Special Printing, 6¢ vermilion, overprinted "Specimen" (O18SD). Without gum as issued, well centered and fresh, scissor trimmed as often with some blunting, but basically intact, small light thin, Very Fine appearance, only 83 sold (photo). $2,500 Scott $2,500 (Image)

Scott $2,500

Interior Dept., 1875 Special Printing, 24¢ vermilion, overprinted "Specimen" (O22SD). Without gum as issued, nicely centered, bright color, reperfed, F.-V.F. appearance, only 77 sold (photo). $2,500 Scott $2,500 (Image)

Scott $2,500

Interior Dept., 1875 Special Printing, 30¢ vermilion, overprinted "Specimen" (O23SD). Without gum as issued, rich color, well centered, reperfed, Very Fine appearance, only 75 sold (photo). $2,500 Scott $2,500 (Image)

Scott $2,500

Interior Dept., 1875 Special Printing, 90¢ vermilion, overprinted "Specimen" (O24SD). Without gum as issued, fresh color, reperfed, Fine appearance, only 77 sold (photo). $2,500 Scott $2,500 (Image)

Scott $2,500

Interior Dept., 1873, 90¢ vermilion (O24). Original gum hinge remnant, fresh, F.-V.F (photo). $325

Expertization: with 2009 Weiss certificate. Scott $325 (Image)

Scott $325

Justice Dept., 1875 Special Printing, 1¢ purple, overprinted "Specimen", ribbed paper, with small dotted "i" (O25SDc). Without gum as issued, on horizontally ribbed paper from the second printing, bright and fresh, F.-V.F (photo). $500 Scott $500 (Image)

Scott $500

Justice Dept., 1873, 10¢ purple (O29). Original gum lightly hinged, bright, fresh and well centered, minor corner crease, Very Fine appearance (photo). $310 Scott $310 (Image)

Scott $310

Justice Dept., 1873, 12¢ purple (O30). Original gum hinge remnant, bright shade, Very Fine (photo). $260

Expertization: with 2006 P.S.E. certificate. Scott $260 (Image)

Scott $260

Justice Dept., 1873, 15¢ purple (O31). Original gum, a bit of slight offset on reverse (not mentioned on certificates), fresh and Very Fine SMQ $425 (photo). $500

Expertization: with 1998 P.F. certificate and 2010 P.S.E. certificate, the latter graded VF 80. Scott $500 (Image)

Scott $500

Justice Dept., 1875 Special Printing, 90¢ purple, overprinted "Specimen" (O34SD). Without gum as issued, rich color, without gum as issued, reperfed at right, F.-V.F. appearance, only 152 sold (photo). $1,250 Scott $1,250 (Image)

Scott $1,250

Navy Dept., 1875 Special Printing, 1¢ gray blue, overprinted "Specimen", soft paper (O35xSD). Without gum as issued, perfectly centered, rich color, Extremely Fine, a choice example of the scarce soft paper variety (photo). $100

Expertization: with 2011 P.S.E. certificate graded XF-SUP 95. Scott $100 (Image)

Scott $100

Navy Dept., 1875 Special Printing, 7¢ ultramarine, overprinted "Specimen" (O39SD). Without gum as issued, rich color, well centered, reperfed, Very Fine appearance (photo). $550 Scott $550 (Image)

Scott $550

Navy Dept., 1875 Special Printing, 12¢ ultramarine, overprinted "Specimen" (O41SD). Without gum as issued, intact perfs on three sides, clipped at bottom, light toning on reverse only, otherwise Very Fine, only 107 sold (photo). $1,750 Scott $1,750 (Image)

Scott $1,750

Navy Dept., 1875 Special Printing, 15¢ ultramarine, overprinted "Specimen" (O42SD). Without gum as issued, vivid color, crisp, reperfed at right, Fine appearance, only 107 sold (photo). $1,750 Scott $1,750 (Image)

Scott $1,750

Post Office Dept., 1875 Special Printing, 15¢ black, overprinted "Specimen" (O53SD). Without gum as issued, well centered, bright, reperfed at right, tiny owner backstamp, barely shows through, otherwise Very Fine, only 82 sold (photo). $1,600 Scott $1,600 (Image)

Scott $1,600

Post Office Dept., 1875 Special Printing, 24¢ black, overprinted "Specimen" (O54SD). Without gum as issued, bright color, perfs slightly blunted from scissor separation, Fine, only 84 sold (photo). $1,600 Scott $1,600 (Image)

Scott $1,600

State Dept., 1875 Special Printing, 6¢ bluish green, overprinted "Specimen" (O60SD). Without gum as issued, superb centering within wide margins, perfs with scissor separation, but virtually intact, Extremely Fine (photo). $350 Scott $350 (Image)

Scott $350

State Dept., 1875 Special Printing, 7¢ bluish green, overprinted "Specimen" (O61SD). Without gum as issued, well centered and fresh, Very Fine (photo). $175 Scott $175 (Image)

Scott $175