In article <EtrHa.48$7H5.69076@news.uswest.net>, 
nospam@nospam.net (Kay) wrote:
:I believe there
:was a brief period when Japan sent tributes to Chosun
:during Sejong years but it did not last long.

When was it?
AFAIK, Korea sent their delegates to Edo every time Shogun succeeds,
but Shogun did not send any delegates to Korea.  Actually, the diplomatic
relationship before Meiji Restoration between Korea and Japan was not
diplomatic relationship in a modern sense, because it was a indirect
relationship through Tsushima-Han.