民国二十八年（1939）中央造币厂兰州分厂生炭合同，总值三万七千六百八十圆，第一页写上“注销”，另附一枚由中央造币总厂致重庆中央银行之无线电报。合同有渍，右边有微裂，无线电报左上方有钉孔，两枚均VF品相。Central Mint of China (The National Government Central Mint), Lanzhou Branch, a coal supply contract, Year 28 (1939), an official document that is handwritten, stamped by both the Lanzhou branch of the Central Mint and the contractor Gong Cheng Xiang, curiously written Cancelled in Chinese; and a radio telegram sent to the Chungking branch of the Central Bank of China,unusual and interesting, with coal being a major component in the minting process and the contract states the value being worth 37680 yuan. Contract has splits at right, some stains; radio telegram has staple holes at top left, both Choice Very Fine (2)
