From Yunho’s autograph, you can see that they were signed on 2011/10/01~ ^^

https://www.instagram.com/p/BLvpDnSjsj6/

Translation:

oh
when was this signed..
i’ve grown old.
emotions surging back.. #tvxq

Autograph Translation:

Seems yunho wrote: to the best tap dancer”
changmin: winning (the football game _ winning eleven)

————————-

Credits:

Choi Hyoje’s Instagram (choihyoje) via @0206yhken,
Translated by @snxy: 1 and 2,
Shared by TVXQ! Express