ドイツ帝国成立前の諸州の切手（「ドイツクラシック」第２回完成作品）

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This is an exhibit work for PHILANIPPON2011 as well as my firtst international exhibit work.
I improved three points from my last work at All Japan Stamp Exhibit.
1. I complete all the mint/unused stamps and I improved some stamps in bad condition.
2. Many friends advised me the quality and quantity of the covers exhibited was not enough. I tried to add and change them as possible.
3. Too short description of the covers caused the lack of knowledge points. I improved them as I could.