宜昌书信馆银叁分的手绘设计票, 来自伦敦邮票印製厂De La Rue的档案室,以棕紫色墨汁绘于卡纸(90x115mm)上, 卡纸左上角写上B记号, 而右上角则写上绘制日期Oct.4th.94. 保存非常完美, 设计图充分显示出设计者的细心及技巧, 存世仅此一件.1977年3月Robson Lowe auction; 2011年2月William L. Kullman; 2014年11月Elling O Eide.Ichang October 1894, Narrow Setting Proofs and Essays 3ca. De la Rue artists essay in dark mauve and Chinese white on card (90x115mm) marked "B" and "Oct.4th.94" ; extremely fresh and fine. A stunning finished essay displaying the printers skill. Photo