拾分试样票, 无齿, 四角镙丝头, 棕色印于黄纸上, 带甚宽阔右边纸, 保存完好, 存世仅此一枚, 其珍罕可知. 源流: 1996年11月周炜良.ChefooIssued StampsProofs and Essays10c. imperforate screwhead essay by de Villard in brown on yellowish paper with wide margin at right. Fine and rare, thought to be the only surviving example. Photo