淳熙通宝背“春十二”铁范铜钱田步迎最近发现一枚淳熙通宝背“春十二”折二铜钱，外观呈铁锈色，比同式铁钱厚重。出于好奇做磁性测试发现不被吸引，便用硬器刮去钱表铁锈，露出黄色，方知为铜质（图一）。此钱直径２．８、穿径０．８、厚０．３厘米、重１２．５克，面文... Chun Xi Tong Po back “Spring 12” iron Fan copper money Tian Buying recently found a Chun Xi Tongbao back “Spring twelve” fold two copper coins, the appearance of rust color, heavier than the same type of iron money. Out of curiosity magnetic test found not to be attracted, then scrape the money table with a hard rust, revealing yellow, known as copper (Figure 1). The diameter of the money 2.8, diameter 0.8, thickness 0.3 cm, weight 12.5 grams, facial expression ...