1927, definitive issue, double (one albino) black surcharge 8k on worker 7k brown, perforation 14 1/2x15 on paper without watermark, full OG, previously hinged, VF and very scarce, Est. $150-$200 (Image)

1927, definitive issue, black surcharge (type II with space 0.75mm) 8k on worker 7k brown, perforation 12 on paper without watermark, nicely centered, full original gum with a dot of natural inclusion, NH, VF and very rare stamp, Raritan Stamps guarantee, Est. $4,500-$5,500 (Image)

1927, definitive issue, black surcharge (type II with space 0.75mm) 8k on worker 7k brown, perforation 12 on watermarked Borders and Rosettes paper, fresh and choice, full OG, barest trace of hinge, appearing NH, VF, C.v. $10,500, which is obvious mistake, Est. $300-$400 (Image)

1927, red surcharge 8k with inverted ''8'' on Aleksandr Popov stamp of 7k blue, full OG with usual minor waves, NH, F/VF centering, Est. $130-$150 (Image)