传世银锭以清代铸造者居多,明朝银锭已不多见,宋元两代物更稀罕。笔者近月看到一个南宋出门税银锭,形状扁平束腰,重981克(约26两),长12.9厘米,阔5.4厘米,厚1.6厘米,正面上方左右各有阴文“思内康四郎戳”六字,下方左右均有阴文“出门税”三字,底部满布沙孔(见图)。查南宋出门税乃沿袭北宋国门税,据《宋史·食货志》,国门税是对经过京城城门的货物所征收的税项,但货值低于三十文者可免税。大观二年,更下诏豁免对衣履、鸡鱼、谷 Passed silver ingot to the Qing Dynasty foundry mostly, the Ming Dynasty silver ingots have been rare, Song and Yuan Dynasties more rare. In recent months, I saw a tax-free silver ingot going out in the Southern Song Dynasty, weighing 981 grams (about 26 taels), measuring 12.9 centimeters in length, 5.4 centimeters in width and 1.6 centimeters in thickness. Six characters, there are feminine at the bottom of the “exit tax” three words, the bottom is full of sand hole (see photo). The Southern Song Dynasty exit tax followed the Northern Song Dynasty national tax. According to the “History of the Song Shi Foodstore”, the national tax is levied on goods passing through the gates of the capital, but those with a value of less than thirty can be exempt from tax. Grand View two years, even under the imperial Zhao exemption on clothing and shoes, chicken fish, valley