sheet (150x300mm.) dated "June 27th 1900" bearing six ½d. and three 2/- marginal colour trials in alternative colours, a few perforations slightly trimmed; a vertical crease crosses the margin of one trial. Photo" /> Proof <I>"Appendix B"</I> sheet (150x300mm.) dated<I> "June 27th 1900"</I> bearing six ½d. and three 2/- marginal colour trials in alternative colours, a few perforations slightly trimmed; a vertical crease crosses the margin of one trial. Photo | Christie's