Proof "Appendix B", dated "July 9th 1897", bearing seven perforated colour trials, each with duty tablets, in seven different colours representing possible alternatives to those of Appendix "A"; attractive and extremely rare. Photo

細節
Proof "Appendix B", dated "July 9th 1897", bearing seven perforated colour trials, each with duty tablets, in seven different colours representing possible alternatives to those of Appendix "A"; attractive and extremely rare. Photo
來源
Printers archive, Christie's Robson Lowe, July 1976 (£800)