2016年2月19日
D - Counterfeit Dollar（第二季水）
摘要： Description Sally Jones has a dozen Voyageur silver dollars. However, only eleven of the coins are true silver dollars; one coin is counterfeit even t 阅读全文
posted @ 2016-02-19 21:22 Not-Bad 阅读(540) 评论(0) 推荐(0) 编辑