1927, 5k brown, top right corner sheet margin imperforated single, original gum with some spots of loss mainly on margin, VF and scarce positional item, C. v. $1,650, Est. $500-$600 (Image)

1927, 5k brown, horizontal imperforated pair, nice margins all around, full OG, previously hinged, VF and very scarce in pair, C.v. $3,300++, Est. $1,500-$1,800 (Image)

1927, imperforated proof of 7k in myrtle green (issued color), printed on watermarked Borders and Rosettes paper, full OG, NH, VF, expertized by Dr. Jemtschoujin, C.v. $1,000 as hinged, Est. $600-$750 (Image)