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相信很多人跟我一样，不会分辨银元的声音，今天给它办一场专场！
银元真假识别，称重量，看外观，卡尺寸，都相对更为直观，唯独听声音太抽象，毕竟没多少人真有这东西，所以我专门针对性的，为自己也为大家，拍了个视频，自己留存备用，也希望各位藏友能用上！
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