照片均为网络借图，尽力选择清晰实拍、可靠性强的币图，多经处理（部分原照片偏色严重，做了调色处理）。本文内容经本人辛苦搜集整理分析，并进行作图示等处理，力求清晰明了，原创处理图文，耗时费力，但因未接触更多实物，不足之处望各位不吝指教。
http://s13/middle/609ac53dxc7600bcf1afc&690

http://s5/middle/609ac53dxc76009c81574&690

http://s14/middle/609ac53dgcb5b1389caed&690


http://s14/middle/609ac53dxc7600ab708dd&690

http://s10/middle/609ac53dxc7600edd0699&690

http://s16/middle/609ac53dxc7600b5ee93f&690

http://s16/middle/609ac53dxc7600e71c95f&690

http://s10/middle/609ac53dxc7600a269db9&690

http://s8/middle/609ac53dxc7600cf3d907&690

http://s16/middle/609ac53dxc7600b181a1f&690

http://s16/middle/609ac53dxc7600c91ac6f&690

http://s15/middle/609ac53dxc7600e35109e&690

http://s4/middle/609ac53dxc7600d4f85d3&690

http://s11/middle/609ac53dx7a5667c58dea&690

http://s14/middle/609ac53dxc7600f42609d&690

http://s4/middle/609ac53dxc7600fa59f13&690

http://s3/middle/609ac53dxc760101b5fb2&690