1892, Hippopotamus, perforated proof of $1 in yellow brown and black, miniature sheet of ten stamps, each one overprinted "Waterlow & Sons Ltd. Specimen", security punch at the bottom left corner, no gum as produced, VF

500.00

1909, President Barclay, Ships, Plants, Views, imperforated plate proofs in black, complete set of ten in blocks of four, except 50c and 75c are in two jointed pairs, most with sheet margins, no gum as produced, VF and scarce

300.00