宜昌书信馆银一钱伍分的手绘设计票, 来自伦敦邮票印製厂De La Rue的档案室, 以蓝色墨汁绘于卡纸(90x115mm)上, 图䅁设计仍是水獭咬著一尾鱼, 卡纸左上角写上A记号, 右上角写上绘制日期为Oct.4th.94. 保存非常完美, 令人惊叹和不可取代之设计手样票.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 15ca. De la Rue artists essay of the same design in ultramarine, black and Chinese white on card (115x90mm) marked "A" and "Oct.4th.94" ; extremely fresh and fine. A stunning and desirable essay. Photo