17th. July 1897", bearing eight perforated colour trials, 1r. to 50r., all in the issued colours and each with value hand painted; attractive and spectacular. Photo" /> Proof "Appendix A", dated<I> 17th. July 1897"</I>, bearing eight perforated colour trials, 1r. to 50r., all in the issued colours and each with value hand painted; attractive and spectacular. Photo | Christie's