Lot 398 o
Kelly & Co., 4¢ Black, Old Paper, clear to large margins, bold color and crisp impression, small shallow thins and hint of crease, Very Fine appearance, a very rare example of the Kelly & Co. 4¢ Black on Old Paper, with only 19 examples recorded in the Aldrich census (of which 9 are reported to be faulty), Ex-Cunliffe; with 2012 P.F. certificate.Scott No. RS153a $2,250.
Realized: $1,600
Lot 399 o
Kelly & Co., 4¢ Black, Experimental Silk Paper, showing plate crack at left of "A" in "Cabin Bitters" and extending slightly into left margin, large even margins, rich bold color, faint diagonal crease not detracting, still Extremely Fine and choice, a very rare Kelly & Co. 4¢ Black on Experimental Silk Paper with an unrecorded plate crack and quite possibly unique as such, only 19 are recorded in the Aldrich census (of which 9 are reported to be faulty).Scott No. RS153e $2,500.
Realized: $1,800
Lot
400 
Kendall & Co., 4¢ Blue, Watermarked USIR, block of 4, o.g., hinge remnants, bright & fresh with rich color, Very Fine and scarce. Scott No. RS154d $140 for singles.
Lot 401 o
Kerr, Dr. J.C., 4¢ Blue, Old Paper, well centered, rich vibrant color, repaired vertical tear and other small flaws, otherwise Very Fine, an attractive example of the Dr. J.C. Kerr 4¢ Blue on Old Paper, a great medicine issue rarity with only 7 examples recorded in the Aldrich census (with 4 reported to be faulty).Scott No. RS159a $8,750.
Realized: $4,250
Lot
402
Kerr, Dr. J.C., 4¢ Blue, Silk Paper, vertical strip of 4, o.g., deep rich color, fresh and F.-V.F., very likely the largest known multiple of this issue, a stunning item in choice condition, Ex-Joyce. Scott No. RS159b $1,400 for singles.
Realized: $850
Lot 403 o
Kerr, Dr. J.C., 4¢ Blue, Silk Paper, strong color, slight thinning and light vertical crease, F.-V.F. appearance.Scott No. RS159b $350.
Realized: $90
Lot 404 o
Kerr, Dr. J.C., 6¢ Black, Old Paper, deep color, couple faint vertical creases, Fine appearance, rare with only 31 recorded in the Aldrich census (of which 19 are reported to be faulty).Scott No. RS160a $825.
Lot 405 P
Lippman & Bro., 4¢ Green, Trial Color Large Die Proof, on India die sunk on card (226 x 72mm), fresh with deep color, Very Fine.Scott No. RS163TC1 $600.
Realized: $500
Lot 406 o
Lippman & Bro., 4¢ Blue, Old Paper, rich color, faint crease at left, otherwise about Fine, very rare with only 22 examples recorded in the Aldrich census (of which 14 are reported to be faulty), Ex-Cunliffe.Scott No. RS163a $2,000.
Realized: $950
Lot 407 o
Lippman & Bro., 4¢ Blue, Silk Paper, beautiful rich color, nibbed perf at bottom right, Fine and attractive, a very rare example of the Lippman & Bro. 4¢ Blue on Silk Paper, only 16 are recorded in the Aldrich census (of which 9 are reported to be faulty).Scott No. RS163b $2,500.
Realized: $1,200