An interesting piece for ID

[ZHB]

Hello, everyone,
I got a piece of SPS with a mixed color base, the details please refer to the below link.

http://www.reefcentral.com/forums/showthread.php?s=&postid=11503226#post11503226

I was told that it probably is too early to ID, but I am still wondering if anyone has experienced this before.

Thanks in advance,

Happy New Year!