1894年10月费拉尔设计的银叁分票手稿, 以印度黑墨水绘于薄的土纸(69x72mm)上, 再贴于厚条纹纸上, 设计图的中央是八卦图及1894, 四围方格线条内分别以钢笔写上宜昌/书信馆/银叁分的中英文. 来自档案中的独一无二邮票设计手稿, 是邮史上的重要素材.Ichang October 1894, Narrow Setting Proofs and Essays 3ca. de Villard artists essay in black Indian ink and pen on thin wove paper (69x72mm) affixed to stout laid paper showing a central pa-kua design with the name, value, date and border in fountain pen. An important and unique essay from the De la Rue archives. Photo