“直一”钱相传为三国时期蜀汉所铸(图1),因其发行时间短暂且存世稀少,故旧谱少见记载。笔者收藏的这枚“直一”钱,据说出土于南京某工地,直径13毫米,穿径5.2毫米,厚1毫米(图2)。青铜质,灰色包浆,边廓及穿口不甚规整,整个钱币钱形薄小,字文漫漶。由于“直一”钱存世较少,又没有确切的资料记载,只是随着近年来基建开发而零星出土于湖北、四川 “Straight ” According to legend, the money was made by the Shu Han during the Three Kingdoms period (Figure 1), because of its short issuance time and few surviving, so the old spectrum rare record. The author’s collection of “straight” money, is said to have unearthed a site in Nanjing, diameter 13 mm, diameter 5.2 mm, thickness 1 mm (Figure 2). Bronze, gray pulp, the profile and the piercing is not very structured, the entire coin money thin, the text diffuse. Since “straight ” money less surviving, there is no exact information on records, but with the recent infrastructure development and sporadic origins in Hubei, Sichuan