I would LOVE to have this postcard set!
http://shop.designinmainz.de/en/product?info=2&xe7c04=1ck4mc20f59a866sic...
http://www.pinyin.info/tools/converter/chars2uninumbers.html
http://www.decodeunicode.org/
http://www.wazu.jp/index.html
http://www.wazu.jp/gallery/Fonts_ChineseTraditional.html
http://www.khngai.com/chinese/tools/codeunicode.php
This site is a test bed for aggregation. It pulls from quite a few places:
Follow @amyqmc