1879, Numeral 1c in black, trial color imperforated proof printed directly on card, block of four, no gum as produced, VF, C.v. $200++, Est. $100-$120 (Image)

1879, Numeral 2c in blue green, large die proof on India paper mounted on card, ''C23A'' inscription at top, slight facial wrinkle at right, still fresh and VF, C.v. $500, Est. $150-$200 (Image)

1891, Numerals 50c bright claret, horizontal imperforated pair proofs on stamp paper, nice margins all around, full OG, NH but with slight gum creases, VF appearance, C.v. $500, Est. $120-$150 (Image)

1894, Numerals 10c and 50c, two large die proofs on India paper in bright claret, first one is fitted to stamp size, the other one is sunken die, both mounted on large cards with approximate size of 148x200mm, fresh quality overall, VF, C.v. $330, Est. $150-$200 (Image)