Found this article on the same topic of the post. http://www.ft.com/cms/s/0/15e319e8-dea0-11de-adff-00144feab49a,dwp_uuid=319b98a6-0c1a-11db-86c7-0000779e2340.html?nclick_check=1
“Won 1,000 notes could be exchanged for 10 new won”
They also put an upper limit at the exchange without an investigation into the money’s source.
You might be interested in the link in post 174. I should have copied you on it.